Home / 86,720,302.62-119,662,986.20-49,552,986.69

Finding the Fourth Proportional to 86,720,302.62, 119,662,986.20 and 49,552,986.69

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Solution

The fourth proportional to 86,720,302.62, 119,662,986.20 and 49,552,986.69 is: 68,376,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,720,302.62 : 119,662,986.20 = 49,552,986.69 : x
  2. Step 2: Convert to fraction form
    86,720,302.62/119,662,986.20 = 49,552,986.69/x
  3. Step 3: Cross multiply
    86,720,302.62x = 119,662,986.20 × 49,552,986.69
  4. Step 4: Simplify right side
    86,720,302.62x = 5,929,658,362,206,488
  5. Step 5: Solve for x
    x = 5,929,658,362,206,488/86,720,302.62
  6. Step 6: Final answer
    x = 68,376,818.15

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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.