Home / 101,154,481.20-139,593,604.78-54,744,731.02

Finding the Fourth Proportional to 101,154,481.20, 139,593,604.78 and 54,744,731.02

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Solution

The fourth proportional to 101,154,481.20, 139,593,604.78 and 54,744,731.02 is: 75,547,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,154,481.20 : 139,593,604.78 = 54,744,731.02 : x
  2. Step 2: Convert to fraction form
    101,154,481.20/139,593,604.78 = 54,744,731.02/x
  3. Step 3: Cross multiply
    101,154,481.20x = 139,593,604.78 × 54,744,731.02
  4. Step 4: Simplify right side
    101,154,481.20x = 7,642,014,345,793,287
  5. Step 5: Solve for x
    x = 7,642,014,345,793,287/101,154,481.20
  6. Step 6: Final answer
    x = 75,547,956.50

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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.