Home / 381,724,099.20-572,586,148.80-188,013,854.70

Finding the Fourth Proportional to 381,724,099.20, 572,586,148.80 and 188,013,854.70

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Solution

The fourth proportional to 381,724,099.20, 572,586,148.80 and 188,013,854.70 is: 282,020,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,724,099.20 : 572,586,148.80 = 188,013,854.70 : x
  2. Step 2: Convert to fraction form
    381,724,099.20/572,586,148.80 = 188,013,854.70/x
  3. Step 3: Cross multiply
    381,724,099.20x = 572,586,148.80 × 188,013,854.70
  4. Step 4: Simplify right side
    381,724,099.20x = 107,654,128,983,715,760
  5. Step 5: Solve for x
    x = 107,654,128,983,715,760/381,724,099.20
  6. Step 6: Final answer
    x = 282,020,782.05

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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.