Home / 91,035,924.30-136,553,886.45-90,469,053.90

Finding the Fourth Proportional to 91,035,924.30, 136,553,886.45 and 90,469,053.90

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Solution

The fourth proportional to 91,035,924.30, 136,553,886.45 and 90,469,053.90 is: 135,703,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,035,924.30 : 136,553,886.45 = 90,469,053.90 : x
  2. Step 2: Convert to fraction form
    91,035,924.30/136,553,886.45 = 90,469,053.90/x
  3. Step 3: Cross multiply
    91,035,924.30x = 136,553,886.45 × 90,469,053.90
  4. Step 4: Simplify right side
    91,035,924.30x = 12,353,900,913,499,530
  5. Step 5: Solve for x
    x = 12,353,900,913,499,530/91,035,924.30
  6. Step 6: Final answer
    x = 135,703,580.85

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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.