Home / 129,502,406.40-194,249,116.80-32,458,963.20

Finding the Fourth Proportional to 129,502,406.40, 194,249,116.80 and 32,458,963.20

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Solution

The fourth proportional to 129,502,406.40, 194,249,116.80 and 32,458,963.20 is: 48,687,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,502,406.40 : 194,249,116.80 = 32,458,963.20 : x
  2. Step 2: Convert to fraction form
    129,502,406.40/194,249,116.80 = 32,458,963.20/x
  3. Step 3: Cross multiply
    129,502,406.40x = 194,249,116.80 × 32,458,963.20
  4. Step 4: Simplify right side
    129,502,406.40x = 6,305,124,933,843,702
  5. Step 5: Solve for x
    x = 6,305,124,933,843,702/129,502,406.40
  6. Step 6: Final answer
    x = 48,687,318.71

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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.