Home / 138,725,703.60-208,206,520.20-62,166,548.40

Finding the Fourth Proportional to 138,725,703.60, 208,206,520.20 and 62,166,548.40

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Solution

The fourth proportional to 138,725,703.60, 208,206,520.20 and 62,166,548.40 is: 93,302,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,725,703.60 : 208,206,520.20 = 62,166,548.40 : x
  2. Step 2: Convert to fraction form
    138,725,703.60/208,206,520.20 = 62,166,548.40/x
  3. Step 3: Cross multiply
    138,725,703.60x = 208,206,520.20 × 62,166,548.40
  4. Step 4: Simplify right side
    138,725,703.60x = 12,943,480,715,208,876
  5. Step 5: Solve for x
    x = 12,943,480,715,208,876/138,725,703.60
  6. Step 6: Final answer
    x = 93,302,685.65

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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.