Home / 112,897,123.20-169,445,217.60-96,772,809.60

Finding the Fourth Proportional to 112,897,123.20, 169,445,217.60 and 96,772,809.60

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Solution

The fourth proportional to 112,897,123.20, 169,445,217.60 and 96,772,809.60 is: 145,244,531.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,897,123.20 : 169,445,217.60 = 96,772,809.60 : x
  2. Step 2: Convert to fraction form
    112,897,123.20/169,445,217.60 = 96,772,809.60/x
  3. Step 3: Cross multiply
    112,897,123.20x = 169,445,217.60 × 96,772,809.60
  4. Step 4: Simplify right side
    112,897,123.20x = 16,397,689,780,435,368
  5. Step 5: Solve for x
    x = 16,397,689,780,435,368/112,897,123.20
  6. Step 6: Final answer
    x = 145,244,531.62

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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.