Home / 91,856,188.30-137,784,282.45-82,502,826.70

Finding the Fourth Proportional to 91,856,188.30, 137,784,282.45 and 82,502,826.70

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Solution

The fourth proportional to 91,856,188.30, 137,784,282.45 and 82,502,826.70 is: 123,754,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,856,188.30 : 137,784,282.45 = 82,502,826.70 : x
  2. Step 2: Convert to fraction form
    91,856,188.30/137,784,282.45 = 82,502,826.70/x
  3. Step 3: Cross multiply
    91,856,188.30x = 137,784,282.45 × 82,502,826.70
  4. Step 4: Simplify right side
    91,856,188.30x = 11,367,592,776,956,200
  5. Step 5: Solve for x
    x = 11,367,592,776,956,200/91,856,188.30
  6. Step 6: Final answer
    x = 123,754,240.05

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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.