Home / 67,146,445.30-100,719,659.38-18,624,298.80

Finding the Fourth Proportional to 67,146,445.30, 100,719,659.38 and 18,624,298.80

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Solution

The fourth proportional to 67,146,445.30, 100,719,659.38 and 18,624,298.80 is: 27,936,445.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,146,445.30 : 100,719,659.38 = 18,624,298.80 : x
  2. Step 2: Convert to fraction form
    67,146,445.30/100,719,659.38 = 18,624,298.80/x
  3. Step 3: Cross multiply
    67,146,445.30x = 100,719,659.38 × 18,624,298.80
  4. Step 4: Simplify right side
    67,146,445.30x = 1,875,833,031,327,342.75
  5. Step 5: Solve for x
    x = 1,875,833,031,327,342.75/67,146,445.30
  6. Step 6: Final answer
    x = 27,936,445.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.