Home / 136,113,887.40-203,984,207.10-87,442,348.20

Finding the Fourth Proportional to 136,113,887.40, 203,984,207.10 and 87,442,348.20

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Solution

The fourth proportional to 136,113,887.40, 203,984,207.10 and 87,442,348.20 is: 131,043,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,113,887.40 : 203,984,207.10 = 87,442,348.20 : x
  2. Step 2: Convert to fraction form
    136,113,887.40/203,984,207.10 = 87,442,348.20/x
  3. Step 3: Cross multiply
    136,113,887.40x = 203,984,207.10 × 87,442,348.20
  4. Step 4: Simplify right side
    136,113,887.40x = 17,836,858,064,539,112
  5. Step 5: Solve for x
    x = 17,836,858,064,539,112/136,113,887.40
  6. Step 6: Final answer
    x = 131,043,631.22

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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.