Home / 66,572,374.61-91,861,920.50-36,799,000.76

Finding the Fourth Proportional to 66,572,374.61, 91,861,920.50 and 36,799,000.76

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Solution

The fourth proportional to 66,572,374.61, 91,861,920.50 and 36,799,000.76 is: 50,778,222.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,572,374.61 : 91,861,920.50 = 36,799,000.76 : x
  2. Step 2: Convert to fraction form
    66,572,374.61/91,861,920.50 = 36,799,000.76/x
  3. Step 3: Cross multiply
    66,572,374.61x = 91,861,920.50 × 36,799,000.76
  4. Step 4: Simplify right side
    66,572,374.61x = 3,380,426,882,156,902
  5. Step 5: Solve for x
    x = 3,380,426,882,156,902/66,572,374.61
  6. Step 6: Final answer
    x = 50,778,222.98

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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.