Home / 74,468,909.40-111,703,364.10-51,510,658.20

Finding the Fourth Proportional to 74,468,909.40, 111,703,364.10 and 51,510,658.20

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Solution

The fourth proportional to 74,468,909.40, 111,703,364.10 and 51,510,658.20 is: 77,265,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,468,909.40 : 111,703,364.10 = 51,510,658.20 : x
  2. Step 2: Convert to fraction form
    74,468,909.40/111,703,364.10 = 51,510,658.20/x
  3. Step 3: Cross multiply
    74,468,909.40x = 111,703,364.10 × 51,510,658.20
  4. Step 4: Simplify right side
    74,468,909.40x = 5,753,913,807,945,251
  5. Step 5: Solve for x
    x = 5,753,913,807,945,251/74,468,909.40
  6. Step 6: Final answer
    x = 77,265,987.30

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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.