Home / 82,721,401.30-124,082,101.95-52,110,399.70

Finding the Fourth Proportional to 82,721,401.30, 124,082,101.95 and 52,110,399.70

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Solution

The fourth proportional to 82,721,401.30, 124,082,101.95 and 52,110,399.70 is: 78,165,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,721,401.30 : 124,082,101.95 = 52,110,399.70 : x
  2. Step 2: Convert to fraction form
    82,721,401.30/124,082,101.95 = 52,110,399.70/x
  3. Step 3: Cross multiply
    82,721,401.30x = 124,082,101.95 × 52,110,399.70
  4. Step 4: Simplify right side
    82,721,401.30x = 6,465,967,928,230,650
  5. Step 5: Solve for x
    x = 6,465,967,928,230,650/82,721,401.30
  6. Step 6: Final answer
    x = 78,165,599.55

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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.