Home / 424,366,087.35-636,549,160.22-117,658,208.73

Finding the Fourth Proportional to 424,366,087.35, 636,549,160.22 and 117,658,208.73

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Solution

The fourth proportional to 424,366,087.35, 636,549,160.22 and 117,658,208.73 is: 176,487,321.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,366,087.35 : 636,549,160.22 = 117,658,208.73 : x
  2. Step 2: Convert to fraction form
    424,366,087.35/636,549,160.22 = 117,658,208.73/x
  3. Step 3: Cross multiply
    424,366,087.35x = 636,549,160.22 × 117,658,208.73
  4. Step 4: Simplify right side
    424,366,087.35x = 74,895,233,960,070,976
  5. Step 5: Solve for x
    x = 74,895,233,960,070,976/424,366,087.35
  6. Step 6: Final answer
    x = 176,487,321.19

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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.