Home / 104,403,921.80-156,605,882.70-102,612,331.40

Finding the Fourth Proportional to 104,403,921.80, 156,605,882.70 and 102,612,331.40

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Solution

The fourth proportional to 104,403,921.80, 156,605,882.70 and 102,612,331.40 is: 153,918,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,403,921.80 : 156,605,882.70 = 102,612,331.40 : x
  2. Step 2: Convert to fraction form
    104,403,921.80/156,605,882.70 = 102,612,331.40/x
  3. Step 3: Cross multiply
    104,403,921.80x = 156,605,882.70 × 102,612,331.40
  4. Step 4: Simplify right side
    104,403,921.80x = 16,069,694,734,801,926
  5. Step 5: Solve for x
    x = 16,069,694,734,801,926/104,403,921.80
  6. Step 6: Final answer
    x = 153,918,497.10

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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.