Home / 126,064,850.40-188,985,301.20-74,892,549.60

Finding the Fourth Proportional to 126,064,850.40, 188,985,301.20 and 74,892,549.60

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Solution

The fourth proportional to 126,064,850.40, 188,985,301.20 and 74,892,549.60 is: 112,272,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,064,850.40 : 188,985,301.20 = 74,892,549.60 : x
  2. Step 2: Convert to fraction form
    126,064,850.40/188,985,301.20 = 74,892,549.60/x
  3. Step 3: Cross multiply
    126,064,850.40x = 188,985,301.20 × 74,892,549.60
  4. Step 4: Simplify right side
    126,064,850.40x = 14,153,591,043,791,938
  5. Step 5: Solve for x
    x = 14,153,591,043,791,938/126,064,850.40
  6. Step 6: Final answer
    x = 112,272,302.70

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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.