Home / 183,522,013.80-275,283,020.70-128,996,167.20

Finding the Fourth Proportional to 183,522,013.80, 275,283,020.70 and 128,996,167.20

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Solution

The fourth proportional to 183,522,013.80, 275,283,020.70 and 128,996,167.20 is: 193,494,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,522,013.80 : 275,283,020.70 = 128,996,167.20 : x
  2. Step 2: Convert to fraction form
    183,522,013.80/275,283,020.70 = 128,996,167.20/x
  3. Step 3: Cross multiply
    183,522,013.80x = 275,283,020.70 × 128,996,167.20
  4. Step 4: Simplify right side
    183,522,013.80x = 35,510,454,565,538,260
  5. Step 5: Solve for x
    x = 35,510,454,565,538,260/183,522,013.80
  6. Step 6: Final answer
    x = 193,494,250.80

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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.