Home / 137,241,330.90-206,021,428.65-82,715,484.30

Finding the Fourth Proportional to 137,241,330.90, 206,021,428.65 and 82,715,484.30

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Solution

The fourth proportional to 137,241,330.90, 206,021,428.65 and 82,715,484.30 is: 124,169,316.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,241,330.90 : 206,021,428.65 = 82,715,484.30 : x
  2. Step 2: Convert to fraction form
    137,241,330.90/206,021,428.65 = 82,715,484.30/x
  3. Step 3: Cross multiply
    137,241,330.90x = 206,021,428.65 × 82,715,484.30
  4. Step 4: Simplify right side
    137,241,330.90x = 17,041,162,246,962,646
  5. Step 5: Solve for x
    x = 17,041,162,246,962,646/137,241,330.90
  6. Step 6: Final answer
    x = 124,169,316.45

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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.