Home / 31,506,772.80-47,260,159.20-25,129,480.80

Finding the Fourth Proportional to 31,506,772.80, 47,260,159.20 and 25,129,480.80

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Solution

The fourth proportional to 31,506,772.80, 47,260,159.20 and 25,129,480.80 is: 37,694,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506,772.80 : 47,260,159.20 = 25,129,480.80 : x
  2. Step 2: Convert to fraction form
    31,506,772.80/47,260,159.20 = 25,129,480.80/x
  3. Step 3: Cross multiply
    31,506,772.80x = 47,260,159.20 × 25,129,480.80
  4. Step 4: Simplify right side
    31,506,772.80x = 1,187,623,263,221,343.50
  5. Step 5: Solve for x
    x = 1,187,623,263,221,343.50/31,506,772.80
  6. Step 6: Final answer
    x = 37,694,221.20

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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.