Home / 89,438,292.80-134,141,874.40-28,854,018.88

Finding the Fourth Proportional to 89,438,292.80, 134,141,874.40 and 28,854,018.88

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Solution

The fourth proportional to 89,438,292.80, 134,141,874.40 and 28,854,018.88 is: 43,276,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,438,292.80 : 134,141,874.40 = 28,854,018.88 : x
  2. Step 2: Convert to fraction form
    89,438,292.80/134,141,874.40 = 28,854,018.88/x
  3. Step 3: Cross multiply
    89,438,292.80x = 134,141,874.40 × 28,854,018.88
  4. Step 4: Simplify right side
    89,438,292.80x = 3,870,532,176,536,188.50
  5. Step 5: Solve for x
    x = 3,870,532,176,536,188.50/89,438,292.80
  6. Step 6: Final answer
    x = 43,276,006.90

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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.