Home / 131,151,805.30-196,853,679.15-66,528,579.70

Finding the Fourth Proportional to 131,151,805.30, 196,853,679.15 and 66,528,579.70

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Solution

The fourth proportional to 131,151,805.30, 196,853,679.15 and 66,528,579.70 is: 99,856,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,151,805.30 : 196,853,679.15 = 66,528,579.70 : x
  2. Step 2: Convert to fraction form
    131,151,805.30/196,853,679.15 = 66,528,579.70/x
  3. Step 3: Cross multiply
    131,151,805.30x = 196,853,679.15 × 66,528,579.70
  4. Step 4: Simplify right side
    131,151,805.30x = 13,096,395,682,569,004
  5. Step 5: Solve for x
    x = 13,096,395,682,569,004/131,151,805.30
  6. Step 6: Final answer
    x = 99,856,770.20

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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.