Home / 71,260,887.40-106,891,331.10-61,057,220.20

Finding the Fourth Proportional to 71,260,887.40, 106,891,331.10 and 61,057,220.20

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Solution

The fourth proportional to 71,260,887.40, 106,891,331.10 and 61,057,220.20 is: 91,585,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,260,887.40 : 106,891,331.10 = 61,057,220.20 : x
  2. Step 2: Convert to fraction form
    71,260,887.40/106,891,331.10 = 61,057,220.20/x
  3. Step 3: Cross multiply
    71,260,887.40x = 106,891,331.10 × 61,057,220.20
  4. Step 4: Simplify right side
    71,260,887.40x = 6,526,487,540,443,808
  5. Step 5: Solve for x
    x = 6,526,487,540,443,808/71,260,887.40
  6. Step 6: Final answer
    x = 91,585,830.30

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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.