Home / 45,981,714.30-68,972,571.45-40,806,008.70

Finding the Fourth Proportional to 45,981,714.30, 68,972,571.45 and 40,806,008.70

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Solution

The fourth proportional to 45,981,714.30, 68,972,571.45 and 40,806,008.70 is: 61,209,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,981,714.30 : 68,972,571.45 = 40,806,008.70 : x
  2. Step 2: Convert to fraction form
    45,981,714.30/68,972,571.45 = 40,806,008.70/x
  3. Step 3: Cross multiply
    45,981,714.30x = 68,972,571.45 × 40,806,008.70
  4. Step 4: Simplify right side
    45,981,714.30x = 2,814,495,350,650,072
  5. Step 5: Solve for x
    x = 2,814,495,350,650,072/45,981,714.30
  6. Step 6: Final answer
    x = 61,209,013.05

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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.