Home / 254,871,037.76-382,308,769.17-82,347,869.70

Finding the Fourth Proportional to 254,871,037.76, 382,308,769.17 and 82,347,869.70

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Solution

The fourth proportional to 254,871,037.76, 382,308,769.17 and 82,347,869.70 is: 123,522,519.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,871,037.76 : 382,308,769.17 = 82,347,869.70 : x
  2. Step 2: Convert to fraction form
    254,871,037.76/382,308,769.17 = 82,347,869.70/x
  3. Step 3: Cross multiply
    254,871,037.76x = 382,308,769.17 × 82,347,869.70
  4. Step 4: Simplify right side
    254,871,037.76x = 31,482,312,708,778,540
  5. Step 5: Solve for x
    x = 31,482,312,708,778,540/254,871,037.76
  6. Step 6: Final answer
    x = 123,522,519.41

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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.