Home / 117,060,930.65-161,554,004.52-64,866,338.57

Finding the Fourth Proportional to 117,060,930.65, 161,554,004.52 and 64,866,338.57

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Solution

The fourth proportional to 117,060,930.65, 161,554,004.52 and 64,866,338.57 is: 89,521,044.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,060,930.65 : 161,554,004.52 = 64,866,338.57 : x
  2. Step 2: Convert to fraction form
    117,060,930.65/161,554,004.52 = 64,866,338.57/x
  3. Step 3: Cross multiply
    117,060,930.65x = 161,554,004.52 × 64,866,338.57
  4. Step 4: Simplify right side
    117,060,930.65x = 10,479,416,753,725,860
  5. Step 5: Solve for x
    x = 10,479,416,753,725,860/117,060,930.65
  6. Step 6: Final answer
    x = 89,521,044.26

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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.