Home / 68,654,521.27-94,768,100.51-45,457,121.62

Finding the Fourth Proportional to 68,654,521.27, 94,768,100.51 and 45,457,121.62

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Solution

The fourth proportional to 68,654,521.27, 94,768,100.51 and 45,457,121.62 is: 62,747,288.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,654,521.27 : 94,768,100.51 = 45,457,121.62 : x
  2. Step 2: Convert to fraction form
    68,654,521.27/94,768,100.51 = 45,457,121.62/x
  3. Step 3: Cross multiply
    68,654,521.27x = 94,768,100.51 × 45,457,121.62
  4. Step 4: Simplify right side
    68,654,521.27x = 4,307,885,070,579,454
  5. Step 5: Solve for x
    x = 4,307,885,070,579,454/68,654,521.27
  6. Step 6: Final answer
    x = 62,747,288.76

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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.