Home / 131,114,624.24-180,948,196.68-72,388,600.40

Finding the Fourth Proportional to 131,114,624.24, 180,948,196.68 and 72,388,600.40

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Solution

The fourth proportional to 131,114,624.24, 180,948,196.68 and 72,388,600.40 is: 99,901,797.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,114,624.24 : 180,948,196.68 = 72,388,600.40 : x
  2. Step 2: Convert to fraction form
    131,114,624.24/180,948,196.68 = 72,388,600.40/x
  3. Step 3: Cross multiply
    131,114,624.24x = 180,948,196.68 × 72,388,600.40
  4. Step 4: Simplify right side
    131,114,624.24x = 13,098,586,702,569,128
  5. Step 5: Solve for x
    x = 13,098,586,702,569,128/131,114,624.24
  6. Step 6: Final answer
    x = 99,901,797.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.