Home / 66,411,494.20-99,659,231.70-39,117,734.20

Finding the Fourth Proportional to 66,411,494.20, 99,659,231.70 and 39,117,734.20

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Solution

The fourth proportional to 66,411,494.20, 99,659,231.70 and 39,117,734.20 is: 58,701,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,411,494.20 : 99,659,231.70 = 39,117,734.20 : x
  2. Step 2: Convert to fraction form
    66,411,494.20/99,659,231.70 = 39,117,734.20/x
  3. Step 3: Cross multiply
    66,411,494.20x = 99,659,231.70 × 39,117,734.20
  4. Step 4: Simplify right side
    66,411,494.20x = 3,898,443,336,216,814.50
  5. Step 5: Solve for x
    x = 3,898,443,336,216,814.50/66,411,494.20
  6. Step 6: Final answer
    x = 58,701,334.51

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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.