Home / 383,020,187.72-574,610,981.87-124,215,227.75

Finding the Fourth Proportional to 383,020,187.72, 574,610,981.87 and 124,215,227.75

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Solution

The fourth proportional to 383,020,187.72, 574,610,981.87 and 124,215,227.75 is: 186,349,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,020,187.72 : 574,610,981.87 = 124,215,227.75 : x
  2. Step 2: Convert to fraction form
    383,020,187.72/574,610,981.87 = 124,215,227.75/x
  3. Step 3: Cross multiply
    383,020,187.72x = 574,610,981.87 × 124,215,227.75
  4. Step 4: Simplify right side
    383,020,187.72x = 71,375,433,982,380,224
  5. Step 5: Solve for x
    x = 71,375,433,982,380,224/383,020,187.72
  6. Step 6: Final answer
    x = 186,349,013.11

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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.