Home / 114,930,565.47-172,456,381.53-66,442,479.12

Finding the Fourth Proportional to 114,930,565.47, 172,456,381.53 and 66,442,479.12

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Solution

The fourth proportional to 114,930,565.47, 172,456,381.53 and 66,442,479.12 is: 99,698,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,930,565.47 : 172,456,381.53 = 66,442,479.12 : x
  2. Step 2: Convert to fraction form
    114,930,565.47/172,456,381.53 = 66,442,479.12/x
  3. Step 3: Cross multiply
    114,930,565.47x = 172,456,381.53 × 66,442,479.12
  4. Step 4: Simplify right side
    114,930,565.47x = 11,458,429,528,917,778
  5. Step 5: Solve for x
    x = 11,458,429,528,917,778/114,930,565.47
  6. Step 6: Final answer
    x = 99,698,713.58

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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.