Home / 66,626,600.80-99,939,901.20-32,569,794.40

Finding the Fourth Proportional to 66,626,600.80, 99,939,901.20 and 32,569,794.40

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Solution

The fourth proportional to 66,626,600.80, 99,939,901.20 and 32,569,794.40 is: 48,854,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,626,600.80 : 99,939,901.20 = 32,569,794.40 : x
  2. Step 2: Convert to fraction form
    66,626,600.80/99,939,901.20 = 32,569,794.40/x
  3. Step 3: Cross multiply
    66,626,600.80x = 99,939,901.20 × 32,569,794.40
  4. Step 4: Simplify right side
    66,626,600.80x = 3,255,022,034,440,313
  5. Step 5: Solve for x
    x = 3,255,022,034,440,313/66,626,600.80
  6. Step 6: Final answer
    x = 48,854,691.60

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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.