Home / 252,506,346.24-378,868,634.28-135,785,277.78

Finding the Fourth Proportional to 252,506,346.24, 378,868,634.28 and 135,785,277.78

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Solution

The fourth proportional to 252,506,346.24, 378,868,634.28 and 135,785,277.78 is: 203,736,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,506,346.24 : 378,868,634.28 = 135,785,277.78 : x
  2. Step 2: Convert to fraction form
    252,506,346.24/378,868,634.28 = 135,785,277.78/x
  3. Step 3: Cross multiply
    252,506,346.24x = 378,868,634.28 × 135,785,277.78
  4. Step 4: Simplify right side
    252,506,346.24x = 51,444,782,747,839,024
  5. Step 5: Solve for x
    x = 51,444,782,747,839,024/252,506,346.24
  6. Step 6: Final answer
    x = 203,736,593.21

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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.