Home / 103,727,712.90-155,485,281.15-60,574,703.70

Finding the Fourth Proportional to 103,727,712.90, 155,485,281.15 and 60,574,703.70

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Solution

The fourth proportional to 103,727,712.90, 155,485,281.15 and 60,574,703.70 is: 90,799,985.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,727,712.90 : 155,485,281.15 = 60,574,703.70 : x
  2. Step 2: Convert to fraction form
    103,727,712.90/155,485,281.15 = 60,574,703.70/x
  3. Step 3: Cross multiply
    103,727,712.90x = 155,485,281.15 × 60,574,703.70
  4. Step 4: Simplify right side
    103,727,712.90x = 9,418,474,835,372,446
  5. Step 5: Solve for x
    x = 9,418,474,835,372,446/103,727,712.90
  6. Step 6: Final answer
    x = 90,799,985.58

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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.