Home / 131,225,890.04-181,088,219.76-72,487,290.96

Finding the Fourth Proportional to 131,225,890.04, 181,088,219.76 and 72,487,290.96

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Solution

The fourth proportional to 131,225,890.04, 181,088,219.76 and 72,487,290.96 is: 100,030,523.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,225,890.04 : 181,088,219.76 = 72,487,290.96 : x
  2. Step 2: Convert to fraction form
    131,225,890.04/181,088,219.76 = 72,487,290.96/x
  3. Step 3: Cross multiply
    131,225,890.04x = 181,088,219.76 × 72,487,290.96
  4. Step 4: Simplify right side
    131,225,890.04x = 13,126,594,475,171,540
  5. Step 5: Solve for x
    x = 13,126,594,475,171,540/131,225,890.04
  6. Step 6: Final answer
    x = 100,030,523.48

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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.