Home / 212,632,498.60-319,098,047.10-91,550,847.40

Finding the Fourth Proportional to 212,632,498.60, 319,098,047.10 and 91,550,847.40

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Solution

The fourth proportional to 212,632,498.60, 319,098,047.10 and 91,550,847.40 is: 137,390,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,632,498.60 : 319,098,047.10 = 91,550,847.40 : x
  2. Step 2: Convert to fraction form
    212,632,498.60/319,098,047.10 = 91,550,847.40/x
  3. Step 3: Cross multiply
    212,632,498.60x = 319,098,047.10 × 91,550,847.40
  4. Step 4: Simplify right side
    212,632,498.60x = 29,213,696,615,690,116
  5. Step 5: Solve for x
    x = 29,213,696,615,690,116/212,632,498.60
  6. Step 6: Final answer
    x = 137,390,553.22

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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.