Home / 112,335,003.40-168,502,505.10-99,793,870.60

Finding the Fourth Proportional to 112,335,003.40, 168,502,505.10 and 99,793,870.60

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Solution

The fourth proportional to 112,335,003.40, 168,502,505.10 and 99,793,870.60 is: 149,690,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,335,003.40 : 168,502,505.10 = 99,793,870.60 : x
  2. Step 2: Convert to fraction form
    112,335,003.40/168,502,505.10 = 99,793,870.60/x
  3. Step 3: Cross multiply
    112,335,003.40x = 168,502,505.10 × 99,793,870.60
  4. Step 4: Simplify right side
    112,335,003.40x = 16,815,517,189,725,238
  5. Step 5: Solve for x
    x = 16,815,517,189,725,238/112,335,003.40
  6. Step 6: Final answer
    x = 149,690,805.90

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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.