Home / 86,580,792.72-119,448,251.40-49,413,138.12

Finding the Fourth Proportional to 86,580,792.72, 119,448,251.40 and 49,413,138.12

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Solution

The fourth proportional to 86,580,792.72, 119,448,251.40 and 49,413,138.12 is: 68,171,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,580,792.72 : 119,448,251.40 = 49,413,138.12 : x
  2. Step 2: Convert to fraction form
    86,580,792.72/119,448,251.40 = 49,413,138.12/x
  3. Step 3: Cross multiply
    86,580,792.72x = 119,448,251.40 × 49,413,138.12
  4. Step 4: Simplify right side
    86,580,792.72x = 5,902,312,944,620,683
  5. Step 5: Solve for x
    x = 5,902,312,944,620,683/86,580,792.72
  6. Step 6: Final answer
    x = 68,171,158.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.