Home / 136,605,825.56-204,580,404.72-78,136,244.48

Finding the Fourth Proportional to 136,605,825.56, 204,580,404.72 and 78,136,244.48

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Solution

The fourth proportional to 136,605,825.56, 204,580,404.72 and 78,136,244.48 is: 117,016,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,605,825.56 : 204,580,404.72 = 78,136,244.48 : x
  2. Step 2: Convert to fraction form
    136,605,825.56/204,580,404.72 = 78,136,244.48/x
  3. Step 3: Cross multiply
    136,605,825.56x = 204,580,404.72 × 78,136,244.48
  4. Step 4: Simplify right side
    136,605,825.56x = 15,985,144,519,019,266
  5. Step 5: Solve for x
    x = 15,985,144,519,019,266/136,605,825.56
  6. Step 6: Final answer
    x = 117,016,565.39

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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.