Home / 76,502,707.86-114,755,307.39-21,915,081.24

Finding the Fourth Proportional to 76,502,707.86, 114,755,307.39 and 21,915,081.24

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Solution

The fourth proportional to 76,502,707.86, 114,755,307.39 and 21,915,081.24 is: 32,872,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,502,707.86 : 114,755,307.39 = 21,915,081.24 : x
  2. Step 2: Convert to fraction form
    76,502,707.86/114,755,307.39 = 21,915,081.24/x
  3. Step 3: Cross multiply
    76,502,707.86x = 114,755,307.39 × 21,915,081.24
  4. Step 4: Simplify right side
    76,502,707.86x = 2,514,871,884,173,022
  5. Step 5: Solve for x
    x = 2,514,871,884,173,022/76,502,707.86
  6. Step 6: Final answer
    x = 32,872,978.68

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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.