Home / 123,839,124.60-185,758,686.90-66,443,496.60

Finding the Fourth Proportional to 123,839,124.60, 185,758,686.90 and 66,443,496.60

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Solution

The fourth proportional to 123,839,124.60, 185,758,686.90 and 66,443,496.60 is: 99,665,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,839,124.60 : 185,758,686.90 = 66,443,496.60 : x
  2. Step 2: Convert to fraction form
    123,839,124.60/185,758,686.90 = 66,443,496.60/x
  3. Step 3: Cross multiply
    123,839,124.60x = 185,758,686.90 × 66,443,496.60
  4. Step 4: Simplify right side
    123,839,124.60x = 12,342,456,681,460,616
  5. Step 5: Solve for x
    x = 12,342,456,681,460,616/123,839,124.60
  6. Step 6: Final answer
    x = 99,665,244.90

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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.