Home / 179,332,721.60-247,471,509.46-99,943,558.69

Finding the Fourth Proportional to 179,332,721.60, 247,471,509.46 and 99,943,558.69

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Solution

The fourth proportional to 179,332,721.60, 247,471,509.46 and 99,943,558.69 is: 137,917,849.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,332,721.60 : 247,471,509.46 = 99,943,558.69 : x
  2. Step 2: Convert to fraction form
    179,332,721.60/247,471,509.46 = 99,943,558.69/x
  3. Step 3: Cross multiply
    179,332,721.60x = 247,471,509.46 × 99,943,558.69
  4. Step 4: Simplify right side
    179,332,721.60x = 24,733,183,329,818,400
  5. Step 5: Solve for x
    x = 24,733,183,329,818,400/179,332,721.60
  6. Step 6: Final answer
    x = 137,917,849.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.