Home / 43,321,743.23-64,996,502.73-12,618,168.65

Finding the Fourth Proportional to 43,321,743.23, 64,996,502.73 and 12,618,168.65

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Solution

The fourth proportional to 43,321,743.23, 64,996,502.73 and 12,618,168.65 is: 18,931,298.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,321,743.23 : 64,996,502.73 = 12,618,168.65 : x
  2. Step 2: Convert to fraction form
    43,321,743.23/64,996,502.73 = 12,618,168.65/x
  3. Step 3: Cross multiply
    43,321,743.23x = 64,996,502.73 × 12,618,168.65
  4. Step 4: Simplify right side
    43,321,743.23x = 820,136,832,782,342.88
  5. Step 5: Solve for x
    x = 820,136,832,782,342.88/43,321,743.23
  6. Step 6: Final answer
    x = 18,931,298.04

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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.