Home / 68,287,934.91-94,239,803.12-38,923,698.27

Finding the Fourth Proportional to 68,287,934.91, 94,239,803.12 and 38,923,698.27

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Solution

The fourth proportional to 68,287,934.91, 94,239,803.12 and 38,923,698.27 is: 53,716,101.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,287,934.91 : 94,239,803.12 = 38,923,698.27 : x
  2. Step 2: Convert to fraction form
    68,287,934.91/94,239,803.12 = 38,923,698.27/x
  3. Step 3: Cross multiply
    68,287,934.91x = 94,239,803.12 × 38,923,698.27
  4. Step 4: Simplify right side
    68,287,934.91x = 3,668,161,661,472,466
  5. Step 5: Solve for x
    x = 3,668,161,661,472,466/68,287,934.91
  6. Step 6: Final answer
    x = 53,716,101.77

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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.