Home / 87,233,002.68-120,360,401.56-49,547,783.44

Finding the Fourth Proportional to 87,233,002.68, 120,360,401.56 and 49,547,783.44

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Solution

The fourth proportional to 87,233,002.68, 120,360,401.56 and 49,547,783.44 is: 68,363,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,233,002.68 : 120,360,401.56 = 49,547,783.44 : x
  2. Step 2: Convert to fraction form
    87,233,002.68/120,360,401.56 = 49,547,783.44/x
  3. Step 3: Cross multiply
    87,233,002.68x = 120,360,401.56 × 49,547,783.44
  4. Step 4: Simplify right side
    87,233,002.68x = 5,963,591,111,246,318
  5. Step 5: Solve for x
    x = 5,963,591,111,246,318/87,233,002.68
  6. Step 6: Final answer
    x = 68,363,932.55

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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.