Home / 80,074,003.70-120,111,005.55-46,061,779.70

Finding the Fourth Proportional to 80,074,003.70, 120,111,005.55 and 46,061,779.70

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Solution

The fourth proportional to 80,074,003.70, 120,111,005.55 and 46,061,779.70 is: 69,092,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,074,003.70 : 120,111,005.55 = 46,061,779.70 : x
  2. Step 2: Convert to fraction form
    80,074,003.70/120,111,005.55 = 46,061,779.70/x
  3. Step 3: Cross multiply
    80,074,003.70x = 120,111,005.55 × 46,061,779.70
  4. Step 4: Simplify right side
    80,074,003.70x = 5,532,526,677,189,578
  5. Step 5: Solve for x
    x = 5,532,526,677,189,578/80,074,003.70
  6. Step 6: Final answer
    x = 69,092,669.55

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1.5x scale

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.