Home / 85,100,688,833.80-127,651,033,250.70-26,205,121,755.40

Finding the Fourth Proportional to 85,100,688,833.80, 127,651,033,250.70 and 26,205,121,755.40

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Solution

The fourth proportional to 85,100,688,833.80, 127,651,033,250.70 and 26,205,121,755.40 is: 39,307,682,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100,688,833.80 : 127,651,033,250.70 = 26,205,121,755.40 : x
  2. Step 2: Convert to fraction form
    85,100,688,833.80/127,651,033,250.70 = 26,205,121,755.40/x
  3. Step 3: Cross multiply
    85,100,688,833.80x = 127,651,033,250.70 × 26,205,121,755.40
  4. Step 4: Simplify right side
    85,100,688,833.80x = 3,345,110,868,537,207,422,976
  5. Step 5: Solve for x
    x = 3,345,110,868,537,207,422,976/85,100,688,833.80
  6. Step 6: Final answer
    x = 39,307,682,633.10

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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.