Home / 252,205,250.80-378,294,417.96-67,969,771.02

Finding the Fourth Proportional to 252,205,250.80, 378,294,417.96 and 67,969,771.02

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Solution

The fourth proportional to 252,205,250.80, 378,294,417.96 and 67,969,771.02 is: 101,951,029.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,205,250.80 : 378,294,417.96 = 67,969,771.02 : x
  2. Step 2: Convert to fraction form
    252,205,250.80/378,294,417.96 = 67,969,771.02/x
  3. Step 3: Cross multiply
    252,205,250.80x = 378,294,417.96 × 67,969,771.02
  4. Step 4: Simplify right side
    252,205,250.80x = 25,712,584,966,885,372
  5. Step 5: Solve for x
    x = 25,712,584,966,885,372/252,205,250.80
  6. Step 6: Final answer
    x = 101,951,029.51

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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.