Home / 112,331,377.60-168,497,066.40-91,924,043.20

Finding the Fourth Proportional to 112,331,377.60, 168,497,066.40 and 91,924,043.20

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Solution

The fourth proportional to 112,331,377.60, 168,497,066.40 and 91,924,043.20 is: 137,886,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,331,377.60 : 168,497,066.40 = 91,924,043.20 : x
  2. Step 2: Convert to fraction form
    112,331,377.60/168,497,066.40 = 91,924,043.20/x
  3. Step 3: Cross multiply
    112,331,377.60x = 168,497,066.40 × 91,924,043.20
  4. Step 4: Simplify right side
    112,331,377.60x = 15,488,931,610,826,870
  5. Step 5: Solve for x
    x = 15,488,931,610,826,870/112,331,377.60
  6. Step 6: Final answer
    x = 137,886,064.80

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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.