Home / 66,940,672.20-100,411,008.30-46,533,337.80

Finding the Fourth Proportional to 66,940,672.20, 100,411,008.30 and 46,533,337.80

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Solution

The fourth proportional to 66,940,672.20, 100,411,008.30 and 46,533,337.80 is: 69,800,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,940,672.20 : 100,411,008.30 = 46,533,337.80 : x
  2. Step 2: Convert to fraction form
    66,940,672.20/100,411,008.30 = 46,533,337.80/x
  3. Step 3: Cross multiply
    66,940,672.20x = 100,411,008.30 × 46,533,337.80
  4. Step 4: Simplify right side
    66,940,672.20x = 4,672,459,368,062,503
  5. Step 5: Solve for x
    x = 4,672,459,368,062,503/66,940,672.20
  6. Step 6: Final answer
    x = 69,800,006.70

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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.