Home / 131,225,886.04-181,088,214.24-72,487,286.96

Finding the Fourth Proportional to 131,225,886.04, 181,088,214.24 and 72,487,286.96

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Solution

The fourth proportional to 131,225,886.04, 181,088,214.24 and 72,487,286.96 is: 100,030,517.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,225,886.04 : 181,088,214.24 = 72,487,286.96 : x
  2. Step 2: Convert to fraction form
    131,225,886.04/181,088,214.24 = 72,487,286.96/x
  3. Step 3: Cross multiply
    131,225,886.04x = 181,088,214.24 × 72,487,286.96
  4. Step 4: Simplify right side
    131,225,886.04x = 13,126,593,350,688,838
  5. Step 5: Solve for x
    x = 13,126,593,350,688,838/131,225,886.04
  6. Step 6: Final answer
    x = 100,030,517.96

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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.