Home / 67,285,114.86-100,944,695.17-18,762,973.84

Finding the Fourth Proportional to 67,285,114.86, 100,944,695.17 and 18,762,973.84

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Solution

The fourth proportional to 67,285,114.86, 100,944,695.17 and 18,762,973.84 is: 28,149,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,285,114.86 : 100,944,695.17 = 18,762,973.84 : x
  2. Step 2: Convert to fraction form
    67,285,114.86/100,944,695.17 = 18,762,973.84/x
  3. Step 3: Cross multiply
    67,285,114.86x = 100,944,695.17 × 18,762,973.84
  4. Step 4: Simplify right side
    67,285,114.86x = 1,894,022,674,761,484.25
  5. Step 5: Solve for x
    x = 1,894,022,674,761,484.25/67,285,114.86
  6. Step 6: Final answer
    x = 28,149,207.72

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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.