Home / 120,243,327.32-165,886,465.51-73,162,658.85

Finding the Fourth Proportional to 120,243,327.32, 165,886,465.51 and 73,162,658.85

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Solution

The fourth proportional to 120,243,327.32, 165,886,465.51 and 73,162,658.85 is: 100,934,456.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,243,327.32 : 165,886,465.51 = 73,162,658.85 : x
  2. Step 2: Convert to fraction form
    120,243,327.32/165,886,465.51 = 73,162,658.85/x
  3. Step 3: Cross multiply
    120,243,327.32x = 165,886,465.51 × 73,162,658.85
  4. Step 4: Simplify right side
    120,243,327.32x = 12,136,694,883,931,738
  5. Step 5: Solve for x
    x = 12,136,694,883,931,738/120,243,327.32
  6. Step 6: Final answer
    x = 100,934,456.44

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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.