Home / 381,352,235.40-572,103,002.70-163,002,155.40

Finding the Fourth Proportional to 381,352,235.40, 572,103,002.70 and 163,002,155.40

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Solution

The fourth proportional to 381,352,235.40, 572,103,002.70 and 163,002,155.40 is: 244,535,140.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,352,235.40 : 572,103,002.70 = 163,002,155.40 : x
  2. Step 2: Convert to fraction form
    381,352,235.40/572,103,002.70 = 163,002,155.40/x
  3. Step 3: Cross multiply
    381,352,235.40x = 572,103,002.70 × 163,002,155.40
  4. Step 4: Simplify right side
    381,352,235.40x = 93,254,022,550,912,032
  5. Step 5: Solve for x
    x = 93,254,022,550,912,032/381,352,235.40
  6. Step 6: Final answer
    x = 244,535,140.73

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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.