Home / 83,231,999.60-124,847,999.40-42,921,215.60

Finding the Fourth Proportional to 83,231,999.60, 124,847,999.40 and 42,921,215.60

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Solution

The fourth proportional to 83,231,999.60, 124,847,999.40 and 42,921,215.60 is: 64,381,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,231,999.60 : 124,847,999.40 = 42,921,215.60 : x
  2. Step 2: Convert to fraction form
    83,231,999.60/124,847,999.40 = 42,921,215.60/x
  3. Step 3: Cross multiply
    83,231,999.60x = 124,847,999.40 × 42,921,215.60
  4. Step 4: Simplify right side
    83,231,999.60x = 5,358,627,899,476,071
  5. Step 5: Solve for x
    x = 5,358,627,899,476,071/83,231,999.60
  6. Step 6: Final answer
    x = 64,381,823.40

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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.