Home / 76,502,712.36-114,755,314.14-21,915,085.74

Finding the Fourth Proportional to 76,502,712.36, 114,755,314.14 and 21,915,085.74

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Solution

The fourth proportional to 76,502,712.36, 114,755,314.14 and 21,915,085.74 is: 32,872,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,502,712.36 : 114,755,314.14 = 21,915,085.74 : x
  2. Step 2: Convert to fraction form
    76,502,712.36/114,755,314.14 = 21,915,085.74/x
  3. Step 3: Cross multiply
    76,502,712.36x = 114,755,314.14 × 21,915,085.74
  4. Step 4: Simplify right side
    76,502,712.36x = 2,514,872,548,498,734
  5. Step 5: Solve for x
    x = 2,514,872,548,498,734/76,502,712.36
  6. Step 6: Final answer
    x = 32,872,985.43

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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.