Home / 51,779,085.16-71,456,652.42-28,259,130.44

Finding the Fourth Proportional to 51,779,085.16, 71,456,652.42 and 28,259,130.44

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Solution

The fourth proportional to 51,779,085.16, 71,456,652.42 and 28,259,130.44 is: 38,998,426.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,779,085.16 : 71,456,652.42 = 28,259,130.44 : x
  2. Step 2: Convert to fraction form
    51,779,085.16/71,456,652.42 = 28,259,130.44/x
  3. Step 3: Cross multiply
    51,779,085.16x = 71,456,652.42 × 28,259,130.44
  4. Step 4: Simplify right side
    51,779,085.16x = 2,019,302,861,542,521.75
  5. Step 5: Solve for x
    x = 2,019,302,861,542,521.75/51,779,085.16
  6. Step 6: Final answer
    x = 38,998,426.79

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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.