Home / 52,407,846.40-78,611,769.60-47,704,921.60

Finding the Fourth Proportional to 52,407,846.40, 78,611,769.60 and 47,704,921.60

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Solution

The fourth proportional to 52,407,846.40, 78,611,769.60 and 47,704,921.60 is: 71,557,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,407,846.40 : 78,611,769.60 = 47,704,921.60 : x
  2. Step 2: Convert to fraction form
    52,407,846.40/78,611,769.60 = 47,704,921.60/x
  3. Step 3: Cross multiply
    52,407,846.40x = 78,611,769.60 × 47,704,921.60
  4. Step 4: Simplify right side
    52,407,846.40x = 3,750,168,305,605,263
  5. Step 5: Solve for x
    x = 3,750,168,305,605,263/52,407,846.40
  6. Step 6: Final answer
    x = 71,557,382.40

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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.