Home / 72,583,234.20-108,874,851.30-52,175,899.80

Finding the Fourth Proportional to 72,583,234.20, 108,874,851.30 and 52,175,899.80

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Solution

The fourth proportional to 72,583,234.20, 108,874,851.30 and 52,175,899.80 is: 78,263,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,583,234.20 : 108,874,851.30 = 52,175,899.80 : x
  2. Step 2: Convert to fraction form
    72,583,234.20/108,874,851.30 = 52,175,899.80/x
  3. Step 3: Cross multiply
    72,583,234.20x = 108,874,851.30 × 52,175,899.80
  4. Step 4: Simplify right side
    72,583,234.20x = 5,680,643,332,168,699
  5. Step 5: Solve for x
    x = 5,680,643,332,168,699/72,583,234.20
  6. Step 6: Final answer
    x = 78,263,849.70

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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.