Home / 64,154,098.80-96,234,834.60-18,722,905.20

Finding the Fourth Proportional to 64,154,098.80, 96,234,834.60 and 18,722,905.20

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Solution

The fourth proportional to 64,154,098.80, 96,234,834.60 and 18,722,905.20 is: 28,085,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,154,098.80 : 96,234,834.60 = 18,722,905.20 : x
  2. Step 2: Convert to fraction form
    64,154,098.80/96,234,834.60 = 18,722,905.20/x
  3. Step 3: Cross multiply
    64,154,098.80x = 96,234,834.60 × 18,722,905.20
  4. Step 4: Simplify right side
    64,154,098.80x = 1,801,795,685,153,479.75
  5. Step 5: Solve for x
    x = 1,801,795,685,153,479.75/64,154,098.80
  6. Step 6: Final answer
    x = 28,085,433.65

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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.