Home / 123,810,136.20-185,715,204.30-121,896,948.60

Finding the Fourth Proportional to 123,810,136.20, 185,715,204.30 and 121,896,948.60

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Solution

The fourth proportional to 123,810,136.20, 185,715,204.30 and 121,896,948.60 is: 182,845,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,810,136.20 : 185,715,204.30 = 121,896,948.60 : x
  2. Step 2: Convert to fraction form
    123,810,136.20/185,715,204.30 = 121,896,948.60/x
  3. Step 3: Cross multiply
    123,810,136.20x = 185,715,204.30 × 121,896,948.60
  4. Step 4: Simplify right side
    123,810,136.20x = 22,638,116,712,795,600
  5. Step 5: Solve for x
    x = 22,638,116,712,795,600/123,810,136.20
  6. Step 6: Final answer
    x = 182,845,422.90

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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.