Home / 131,840,639.96-181,923,360.42-72,286,263.80

Finding the Fourth Proportional to 131,840,639.96, 181,923,360.42 and 72,286,263.80

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Solution

The fourth proportional to 131,840,639.96, 181,923,360.42 and 72,286,263.80 is: 99,745,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,840,639.96 : 181,923,360.42 = 72,286,263.80 : x
  2. Step 2: Convert to fraction form
    131,840,639.96/181,923,360.42 = 72,286,263.80/x
  3. Step 3: Cross multiply
    131,840,639.96x = 181,923,360.42 × 72,286,263.80
  4. Step 4: Simplify right side
    131,840,639.96x = 13,150,560,022,702,598
  5. Step 5: Solve for x
    x = 13,150,560,022,702,598/131,840,639.96
  6. Step 6: Final answer
    x = 99,745,875.22

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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.