Home / 381,361,665.58-572,047,812.78-108,732,432.58

Finding the Fourth Proportional to 381,361,665.58, 572,047,812.78 and 108,732,432.58

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Solution

The fourth proportional to 381,361,665.58, 572,047,812.78 and 108,732,432.58 is: 163,100,164.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,361,665.58 : 572,047,812.78 = 108,732,432.58 : x
  2. Step 2: Convert to fraction form
    381,361,665.58/572,047,812.78 = 108,732,432.58/x
  3. Step 3: Cross multiply
    381,361,665.58x = 572,047,812.78 × 108,732,432.58
  4. Step 4: Simplify right side
    381,361,665.58x = 62,200,150,235,637,808
  5. Step 5: Solve for x
    x = 62,200,150,235,637,808/381,361,665.58
  6. Step 6: Final answer
    x = 163,100,164.09

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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.