Home / 316,112,365.20-474,176,868.24-86,086,154.64

Finding the Fourth Proportional to 316,112,365.20, 474,176,868.24 and 86,086,154.64

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Solution

The fourth proportional to 316,112,365.20, 474,176,868.24 and 86,086,154.64 is: 129,131,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,112,365.20 : 474,176,868.24 = 86,086,154.64 : x
  2. Step 2: Convert to fraction form
    316,112,365.20/474,176,868.24 = 86,086,154.64/x
  3. Step 3: Cross multiply
    316,112,365.20x = 474,176,868.24 × 86,086,154.64
  4. Step 4: Simplify right side
    316,112,365.20x = 40,820,063,206,019,544
  5. Step 5: Solve for x
    x = 40,820,063,206,019,544/316,112,365.20
  6. Step 6: Final answer
    x = 129,131,497.85

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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.