Home / 78,991,295.44-108,981,586.77-45,944,529.52

Finding the Fourth Proportional to 78,991,295.44, 108,981,586.77 and 45,944,529.52

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Solution

The fourth proportional to 78,991,295.44, 108,981,586.77 and 45,944,529.52 is: 63,388,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,991,295.44 : 108,981,586.77 = 45,944,529.52 : x
  2. Step 2: Convert to fraction form
    78,991,295.44/108,981,586.77 = 45,944,529.52/x
  3. Step 3: Cross multiply
    78,991,295.44x = 108,981,586.77 × 45,944,529.52
  4. Step 4: Simplify right side
    78,991,295.44x = 5,007,107,730,490,707
  5. Step 5: Solve for x
    x = 5,007,107,730,490,707/78,991,295.44
  6. Step 6: Final answer
    x = 63,388,094.89

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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.