Home / 66,124,812.60-99,187,218.90-47,843,242.20

Finding the Fourth Proportional to 66,124,812.60, 99,187,218.90 and 47,843,242.20

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Solution

The fourth proportional to 66,124,812.60, 99,187,218.90 and 47,843,242.20 is: 71,764,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,124,812.60 : 99,187,218.90 = 47,843,242.20 : x
  2. Step 2: Convert to fraction form
    66,124,812.60/99,187,218.90 = 47,843,242.20/x
  3. Step 3: Cross multiply
    66,124,812.60x = 99,187,218.90 × 47,843,242.20
  4. Step 4: Simplify right side
    66,124,812.60x = 4,745,438,136,977,118
  5. Step 5: Solve for x
    x = 4,745,438,136,977,118/66,124,812.60
  6. Step 6: Final answer
    x = 71,764,863.30

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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.