Home / 131,601,089.60-181,615,178.08-72,863,752.96

Finding the Fourth Proportional to 131,601,089.60, 181,615,178.08 and 72,863,752.96

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Solution

The fourth proportional to 131,601,089.60, 181,615,178.08 and 72,863,752.96 is: 100,555,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,601,089.60 : 181,615,178.08 = 72,863,752.96 : x
  2. Step 2: Convert to fraction form
    131,601,089.60/181,615,178.08 = 72,863,752.96/x
  3. Step 3: Cross multiply
    131,601,089.60x = 181,615,178.08 × 72,863,752.96
  4. Step 4: Simplify right side
    131,601,089.60x = 13,233,163,469,407,526
  5. Step 5: Solve for x
    x = 13,233,163,469,407,526/131,601,089.60
  6. Step 6: Final answer
    x = 100,555,120.86

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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.