Home / 321,902,961.90-482,917,428.45-137,670,081.90

Finding the Fourth Proportional to 321,902,961.90, 482,917,428.45 and 137,670,081.90

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Solution

The fourth proportional to 321,902,961.90, 482,917,428.45 and 137,670,081.90 is: 206,532,060.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,902,961.90 : 482,917,428.45 = 137,670,081.90 : x
  2. Step 2: Convert to fraction form
    321,902,961.90/482,917,428.45 = 137,670,081.90/x
  3. Step 3: Cross multiply
    321,902,961.90x = 482,917,428.45 × 137,670,081.90
  4. Step 4: Simplify right side
    321,902,961.90x = 66,483,281,925,648,888
  5. Step 5: Solve for x
    x = 66,483,281,925,648,888/321,902,961.90
  6. Step 6: Final answer
    x = 206,532,060.26

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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.