Home / 86,146,519.68-118,882,569.38-46,989,137.61

Finding the Fourth Proportional to 86,146,519.68, 118,882,569.38 and 46,989,137.61

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Solution

The fourth proportional to 86,146,519.68, 118,882,569.38 and 46,989,137.61 is: 64,845,212.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,146,519.68 : 118,882,569.38 = 46,989,137.61 : x
  2. Step 2: Convert to fraction form
    86,146,519.68/118,882,569.38 = 46,989,137.61/x
  3. Step 3: Cross multiply
    86,146,519.68x = 118,882,569.38 × 46,989,137.61
  4. Step 4: Simplify right side
    86,146,519.68x = 5,586,189,412,144,665
  5. Step 5: Solve for x
    x = 5,586,189,412,144,665/86,146,519.68
  6. Step 6: Final answer
    x = 64,845,212.93

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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.