Home / 103,727,712.40-155,485,280.40-60,574,703.20

Finding the Fourth Proportional to 103,727,712.40, 155,485,280.40 and 60,574,703.20

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Solution

The fourth proportional to 103,727,712.40, 155,485,280.40 and 60,574,703.20 is: 90,799,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,727,712.40 : 155,485,280.40 = 60,574,703.20 : x
  2. Step 2: Convert to fraction form
    103,727,712.40/155,485,280.40 = 60,574,703.20/x
  3. Step 3: Cross multiply
    103,727,712.40x = 155,485,280.40 × 60,574,703.20
  4. Step 4: Simplify right side
    103,727,712.40x = 9,418,474,712,198,778
  5. Step 5: Solve for x
    x = 9,418,474,712,198,778/103,727,712.40
  6. Step 6: Final answer
    x = 90,799,984.83

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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.