Home / 247,302,002.30-370,953,003.45-85,760,267.90

Finding the Fourth Proportional to 247,302,002.30, 370,953,003.45 and 85,760,267.90

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Solution

The fourth proportional to 247,302,002.30, 370,953,003.45 and 85,760,267.90 is: 128,640,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,302,002.30 : 370,953,003.45 = 85,760,267.90 : x
  2. Step 2: Convert to fraction form
    247,302,002.30/370,953,003.45 = 85,760,267.90/x
  3. Step 3: Cross multiply
    247,302,002.30x = 370,953,003.45 × 85,760,267.90
  4. Step 4: Simplify right side
    247,302,002.30x = 31,813,028,954,181,624
  5. Step 5: Solve for x
    x = 31,813,028,954,181,624/247,302,002.30
  6. Step 6: Final answer
    x = 128,640,401.85

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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.