Home / 84,111,176.18-116,074,934.79-49,328,953.22

Finding the Fourth Proportional to 84,111,176.18, 116,074,934.79 and 49,328,953.22

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Solution

The fourth proportional to 84,111,176.18, 116,074,934.79 and 49,328,953.22 is: 68,074,841.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,111,176.18 : 116,074,934.79 = 49,328,953.22 : x
  2. Step 2: Convert to fraction form
    84,111,176.18/116,074,934.79 = 49,328,953.22/x
  3. Step 3: Cross multiply
    84,111,176.18x = 116,074,934.79 × 49,328,953.22
  4. Step 4: Simplify right side
    84,111,176.18x = 5,725,855,028,375,664
  5. Step 5: Solve for x
    x = 5,725,855,028,375,664/84,111,176.18
  6. Step 6: Final answer
    x = 68,074,841.99

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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.