Home / 52,475,617.80-78,728,172.30-25,550,152.20

Finding the Fourth Proportional to 52,475,617.80, 78,728,172.30 and 25,550,152.20

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Solution

The fourth proportional to 52,475,617.80, 78,728,172.30 and 25,550,152.20 is: 38,332,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,475,617.80 : 78,728,172.30 = 25,550,152.20 : x
  2. Step 2: Convert to fraction form
    52,475,617.80/78,728,172.30 = 25,550,152.20/x
  3. Step 3: Cross multiply
    52,475,617.80x = 78,728,172.30 × 25,550,152.20
  4. Step 4: Simplify right side
    52,475,617.80x = 2,011,516,784,692,824
  5. Step 5: Solve for x
    x = 2,011,516,784,692,824/52,475,617.80
  6. Step 6: Final answer
    x = 38,332,407.87

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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.