Home / 92,187,187.20-138,280,780.80-87,935,659.20

Finding the Fourth Proportional to 92,187,187.20, 138,280,780.80 and 87,935,659.20

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Solution

The fourth proportional to 92,187,187.20, 138,280,780.80 and 87,935,659.20 is: 131,903,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,187,187.20 : 138,280,780.80 = 87,935,659.20 : x
  2. Step 2: Convert to fraction form
    92,187,187.20/138,280,780.80 = 87,935,659.20/x
  3. Step 3: Cross multiply
    92,187,187.20x = 138,280,780.80 × 87,935,659.20
  4. Step 4: Simplify right side
    92,187,187.20x = 12,159,811,614,338,704
  5. Step 5: Solve for x
    x = 12,159,811,614,338,704/92,187,187.20
  6. Step 6: Final answer
    x = 131,903,488.80

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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.