Home / 132,860,458.40-199,290,687.60-91,248,628.10

Finding the Fourth Proportional to 132,860,458.40, 199,290,687.60 and 91,248,628.10

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Solution

The fourth proportional to 132,860,458.40, 199,290,687.60 and 91,248,628.10 is: 136,872,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,458.40 : 199,290,687.60 = 91,248,628.10 : x
  2. Step 2: Convert to fraction form
    132,860,458.40/199,290,687.60 = 91,248,628.10/x
  3. Step 3: Cross multiply
    132,860,458.40x = 199,290,687.60 × 91,248,628.10
  4. Step 4: Simplify right side
    132,860,458.40x = 18,185,001,836,605,680
  5. Step 5: Solve for x
    x = 18,185,001,836,605,680/132,860,458.40
  6. Step 6: Final answer
    x = 136,872,942.15

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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.