Home / 91,213,410-125,870,819.40-54,564,234.96

Finding the Fourth Proportional to 91,213,410, 125,870,819.40 and 54,564,234.96

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Solution

The fourth proportional to 91,213,410, 125,870,819.40 and 54,564,234.96 is: 75,296,439.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,213,410 : 125,870,819.40 = 54,564,234.96 : x
  2. Step 2: Convert to fraction form
    91,213,410/125,870,819.40 = 54,564,234.96/x
  3. Step 3: Cross multiply
    91,213,410x = 125,870,819.40 × 54,564,234.96
  4. Step 4: Simplify right side
    91,213,410x = 6,868,044,964,349,327
  5. Step 5: Solve for x
    x = 6,868,044,964,349,327/91,213,410
  6. Step 6: Final answer
    x = 75,296,439.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.