Home / 85,130,020.99-127,695,033.18-20,433,826.06

Finding the Fourth Proportional to 85,130,020.99, 127,695,033.18 and 20,433,826.06

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Solution

The fourth proportional to 85,130,020.99, 127,695,033.18 and 20,433,826.06 is: 30,650,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,130,020.99 : 127,695,033.18 = 20,433,826.06 : x
  2. Step 2: Convert to fraction form
    85,130,020.99/127,695,033.18 = 20,433,826.06/x
  3. Step 3: Cross multiply
    85,130,020.99x = 127,695,033.18 × 20,433,826.06
  4. Step 4: Simplify right side
    85,130,020.99x = 2,609,298,096,726,048.50
  5. Step 5: Solve for x
    x = 2,609,298,096,726,048.50/85,130,020.99
  6. Step 6: Final answer
    x = 30,650,739.50

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Double scale
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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.