Home / 83,662,389.75-115,332,416.71-58,466,272.47

Finding the Fourth Proportional to 83,662,389.75, 115,332,416.71 and 58,466,272.47

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Solution

The fourth proportional to 83,662,389.75, 115,332,416.71 and 58,466,272.47 is: 80,598,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,662,389.75 : 115,332,416.71 = 58,466,272.47 : x
  2. Step 2: Convert to fraction form
    83,662,389.75/115,332,416.71 = 58,466,272.47/x
  3. Step 3: Cross multiply
    83,662,389.75x = 115,332,416.71 × 58,466,272.47
  4. Step 4: Simplify right side
    83,662,389.75x = 6,743,056,499,121,448
  5. Step 5: Solve for x
    x = 6,743,056,499,121,448/83,662,389.75
  6. Step 6: Final answer
    x = 80,598,420.86

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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.