Home / 118,016,161.28-176,923,267.32-45,285,133.76

Finding the Fourth Proportional to 118,016,161.28, 176,923,267.32 and 45,285,133.76

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Solution

The fourth proportional to 118,016,161.28, 176,923,267.32 and 45,285,133.76 is: 67,888,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,016,161.28 : 176,923,267.32 = 45,285,133.76 : x
  2. Step 2: Convert to fraction form
    118,016,161.28/176,923,267.32 = 45,285,133.76/x
  3. Step 3: Cross multiply
    118,016,161.28x = 176,923,267.32 × 45,285,133.76
  4. Step 4: Simplify right side
    118,016,161.28x = 8,011,993,825,842,436
  5. Step 5: Solve for x
    x = 8,011,993,825,842,436/118,016,161.28
  6. Step 6: Final answer
    x = 67,888,954.69

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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.