Home / 278,130,983.30-417,194,401.35-84,042,023.30

Finding the Fourth Proportional to 278,130,983.30, 417,194,401.35 and 84,042,023.30

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Solution

The fourth proportional to 278,130,983.30, 417,194,401.35 and 84,042,023.30 is: 126,062,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,130,983.30 : 417,194,401.35 = 84,042,023.30 : x
  2. Step 2: Convert to fraction form
    278,130,983.30/417,194,401.35 = 84,042,023.30/x
  3. Step 3: Cross multiply
    278,130,983.30x = 417,194,401.35 × 84,042,023.30
  4. Step 4: Simplify right side
    278,130,983.30x = 35,061,861,598,886,252
  5. Step 5: Solve for x
    x = 35,061,861,598,886,252/278,130,983.30
  6. Step 6: Final answer
    x = 126,062,408.38

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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.