Home / 137,676,050.90-206,514,076.35-76,454,047.70

Finding the Fourth Proportional to 137,676,050.90, 206,514,076.35 and 76,454,047.70

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Solution

The fourth proportional to 137,676,050.90, 206,514,076.35 and 76,454,047.70 is: 114,681,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,676,050.90 : 206,514,076.35 = 76,454,047.70 : x
  2. Step 2: Convert to fraction form
    137,676,050.90/206,514,076.35 = 76,454,047.70/x
  3. Step 3: Cross multiply
    137,676,050.90x = 206,514,076.35 × 76,454,047.70
  4. Step 4: Simplify right side
    137,676,050.90x = 15,788,837,043,984,342
  5. Step 5: Solve for x
    x = 15,788,837,043,984,342/137,676,050.90
  6. Step 6: Final answer
    x = 114,681,071.55

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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.