Home / 99,642,282.60-149,463,423.90-61,179,076.20

Finding the Fourth Proportional to 99,642,282.60, 149,463,423.90 and 61,179,076.20

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Solution

The fourth proportional to 99,642,282.60, 149,463,423.90 and 61,179,076.20 is: 91,768,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,642,282.60 : 149,463,423.90 = 61,179,076.20 : x
  2. Step 2: Convert to fraction form
    99,642,282.60/149,463,423.90 = 61,179,076.20/x
  3. Step 3: Cross multiply
    99,642,282.60x = 149,463,423.90 × 61,179,076.20
  4. Step 4: Simplify right side
    99,642,282.60x = 9,144,034,199,891,002
  5. Step 5: Solve for x
    x = 9,144,034,199,891,002/99,642,282.60
  6. Step 6: Final answer
    x = 91,768,614.30

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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.