Home / 78,900,595.24-108,873,391.53-43,613,633.62

Finding the Fourth Proportional to 78,900,595.24, 108,873,391.53 and 43,613,633.62

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Solution

The fourth proportional to 78,900,595.24, 108,873,391.53 and 43,613,633.62 is: 60,181,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,900,595.24 : 108,873,391.53 = 43,613,633.62 : x
  2. Step 2: Convert to fraction form
    78,900,595.24/108,873,391.53 = 43,613,633.62/x
  3. Step 3: Cross multiply
    78,900,595.24x = 108,873,391.53 × 43,613,633.62
  4. Step 4: Simplify right side
    78,900,595.24x = 4,748,364,209,156,231
  5. Step 5: Solve for x
    x = 4,748,364,209,156,231/78,900,595.24
  6. Step 6: Final answer
    x = 60,181,601.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.