Home / 137,657,657.07-206,488,675.13-76,634,680.59

Finding the Fourth Proportional to 137,657,657.07, 206,488,675.13 and 76,634,680.59

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Solution

The fourth proportional to 137,657,657.07, 206,488,675.13 and 76,634,680.59 is: 114,953,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,657,657.07 : 206,488,675.13 = 76,634,680.59 : x
  2. Step 2: Convert to fraction form
    137,657,657.07/206,488,675.13 = 76,634,680.59/x
  3. Step 3: Cross multiply
    137,657,657.07x = 206,488,675.13 × 76,634,680.59
  4. Step 4: Simplify right side
    137,657,657.07x = 15,824,193,663,656,654
  5. Step 5: Solve for x
    x = 15,824,193,663,656,654/137,657,657.07
  6. Step 6: Final answer
    x = 114,953,239.80

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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.