Home / 381,449,701.76-572,072,111.52-105,035,107.16

Finding the Fourth Proportional to 381,449,701.76, 572,072,111.52 and 105,035,107.16

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Solution

The fourth proportional to 381,449,701.76, 572,072,111.52 and 105,035,107.16 is: 157,524,452.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,449,701.76 : 572,072,111.52 = 105,035,107.16 : x
  2. Step 2: Convert to fraction form
    381,449,701.76/572,072,111.52 = 105,035,107.16/x
  3. Step 3: Cross multiply
    381,449,701.76x = 572,072,111.52 × 105,035,107.16
  4. Step 4: Simplify right side
    381,449,701.76x = 60,087,655,536,750,664
  5. Step 5: Solve for x
    x = 60,087,655,536,750,664/381,449,701.76
  6. Step 6: Final answer
    x = 157,524,452.79

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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.