Home / 117,428,471.20-176,142,706.80-93,242,000.80

Finding the Fourth Proportional to 117,428,471.20, 176,142,706.80 and 93,242,000.80

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Solution

The fourth proportional to 117,428,471.20, 176,142,706.80 and 93,242,000.80 is: 139,863,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,428,471.20 : 176,142,706.80 = 93,242,000.80 : x
  2. Step 2: Convert to fraction form
    117,428,471.20/176,142,706.80 = 93,242,000.80/x
  3. Step 3: Cross multiply
    117,428,471.20x = 176,142,706.80 × 93,242,000.80
  4. Step 4: Simplify right side
    117,428,471.20x = 16,423,898,408,359,766
  5. Step 5: Solve for x
    x = 16,423,898,408,359,766/117,428,471.20
  6. Step 6: Final answer
    x = 139,863,001.20

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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.