Home / 149,745,371.20-224,692,706.40-85,098,817.60

Finding the Fourth Proportional to 149,745,371.20, 224,692,706.40 and 85,098,817.60

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Solution

The fourth proportional to 149,745,371.20, 224,692,706.40 and 85,098,817.60 is: 127,690,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,745,371.20 : 224,692,706.40 = 85,098,817.60 : x
  2. Step 2: Convert to fraction form
    149,745,371.20/224,692,706.40 = 85,098,817.60/x
  3. Step 3: Cross multiply
    149,745,371.20x = 224,692,706.40 × 85,098,817.60
  4. Step 4: Simplify right side
    149,745,371.20x = 19,121,083,637,983,952
  5. Step 5: Solve for x
    x = 19,121,083,637,983,952/149,745,371.20
  6. Step 6: Final answer
    x = 127,690,649.03

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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.