Home / 85,100,688,823.80-127,651,033,235.70-26,205,121,745.40

Finding the Fourth Proportional to 85,100,688,823.80, 127,651,033,235.70 and 26,205,121,745.40

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Solution

The fourth proportional to 85,100,688,823.80, 127,651,033,235.70 and 26,205,121,745.40 is: 39,307,682,618.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100,688,823.80 : 127,651,033,235.70 = 26,205,121,745.40 : x
  2. Step 2: Convert to fraction form
    85,100,688,823.80/127,651,033,235.70 = 26,205,121,745.40/x
  3. Step 3: Cross multiply
    85,100,688,823.80x = 127,651,033,235.70 × 26,205,121,745.40
  4. Step 4: Simplify right side
    85,100,688,823.80x = 3,345,110,866,867,620,151,296
  5. Step 5: Solve for x
    x = 3,345,110,866,867,620,151,296/85,100,688,823.80
  6. Step 6: Final answer
    x = 39,307,682,618.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.