Home / 52,148,923.80-78,223,385.70-38,711,995.80

Finding the Fourth Proportional to 52,148,923.80, 78,223,385.70 and 38,711,995.80

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Solution

The fourth proportional to 52,148,923.80, 78,223,385.70 and 38,711,995.80 is: 58,067,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,148,923.80 : 78,223,385.70 = 38,711,995.80 : x
  2. Step 2: Convert to fraction form
    52,148,923.80/78,223,385.70 = 38,711,995.80/x
  3. Step 3: Cross multiply
    52,148,923.80x = 78,223,385.70 × 38,711,995.80
  4. Step 4: Simplify right side
    52,148,923.80x = 3,028,183,378,680,180
  5. Step 5: Solve for x
    x = 3,028,183,378,680,180/52,148,923.80
  6. Step 6: Final answer
    x = 58,067,993.70

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Similar ratio
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1.5x scale

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.