Home / 67,705,791.86-93,432,658.25-39,831,514.58

Finding the Fourth Proportional to 67,705,791.86, 93,432,658.25 and 39,831,514.58

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Solution

The fourth proportional to 67,705,791.86, 93,432,658.25 and 39,831,514.58 is: 54,966,705.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,705,791.86 : 93,432,658.25 = 39,831,514.58 : x
  2. Step 2: Convert to fraction form
    67,705,791.86/93,432,658.25 = 39,831,514.58/x
  3. Step 3: Cross multiply
    67,705,791.86x = 93,432,658.25 × 39,831,514.58
  4. Step 4: Simplify right side
    67,705,791.86x = 3,721,564,288,965,448
  5. Step 5: Solve for x
    x = 3,721,564,288,965,448/67,705,791.86
  6. Step 6: Final answer
    x = 54,966,705.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.