Home / 103,581,234.40-155,147,902.80-92,234,495.20

Finding the Fourth Proportional to 103,581,234.40, 155,147,902.80 and 92,234,495.20

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Solution

The fourth proportional to 103,581,234.40, 155,147,902.80 and 92,234,495.20 is: 138,152,326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,581,234.40 : 155,147,902.80 = 92,234,495.20 : x
  2. Step 2: Convert to fraction form
    103,581,234.40/155,147,902.80 = 92,234,495.20/x
  3. Step 3: Cross multiply
    103,581,234.40x = 155,147,902.80 × 92,234,495.20
  4. Step 4: Simplify right side
    103,581,234.40x = 14,309,988,496,096,668
  5. Step 5: Solve for x
    x = 14,309,988,496,096,668/103,581,234.40
  6. Step 6: Final answer
    x = 138,152,326.33

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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.