Home / 139,177,029.12-208,749,330.72-36,949,009.20

Finding the Fourth Proportional to 139,177,029.12, 208,749,330.72 and 36,949,009.20

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Solution

The fourth proportional to 139,177,029.12, 208,749,330.72 and 36,949,009.20 is: 55,419,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,177,029.12 : 208,749,330.72 = 36,949,009.20 : x
  2. Step 2: Convert to fraction form
    139,177,029.12/208,749,330.72 = 36,949,009.20/x
  3. Step 3: Cross multiply
    139,177,029.12x = 208,749,330.72 × 36,949,009.20
  4. Step 4: Simplify right side
    139,177,029.12x = 7,713,080,941,267,123
  5. Step 5: Solve for x
    x = 7,713,080,941,267,123/139,177,029.12
  6. Step 6: Final answer
    x = 55,419,209.55

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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.