Home / 74,010,876.92-102,136,219.28-40,519,797.20

Finding the Fourth Proportional to 74,010,876.92, 102,136,219.28 and 40,519,797.20

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Solution

The fourth proportional to 74,010,876.92, 102,136,219.28 and 40,519,797.20 is: 55,917,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,010,876.92 : 102,136,219.28 = 40,519,797.20 : x
  2. Step 2: Convert to fraction form
    74,010,876.92/102,136,219.28 = 40,519,797.20/x
  3. Step 3: Cross multiply
    74,010,876.92x = 102,136,219.28 × 40,519,797.20
  4. Step 4: Simplify right side
    74,010,876.92x = 4,138,538,892,000,330.50
  5. Step 5: Solve for x
    x = 4,138,538,892,000,330.50/74,010,876.92
  6. Step 6: Final answer
    x = 55,917,982.12

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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.