Home / 83,662,391.38-115,332,418.94-58,466,274.10

Finding the Fourth Proportional to 83,662,391.38, 115,332,418.94 and 58,466,274.10

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Solution

The fourth proportional to 83,662,391.38, 115,332,418.94 and 58,466,274.10 is: 80,598,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,662,391.38 : 115,332,418.94 = 58,466,274.10 : x
  2. Step 2: Convert to fraction form
    83,662,391.38/115,332,418.94 = 58,466,274.10/x
  3. Step 3: Cross multiply
    83,662,391.38x = 115,332,418.94 × 58,466,274.10
  4. Step 4: Simplify right side
    83,662,391.38x = 6,743,056,818,362,071
  5. Step 5: Solve for x
    x = 6,743,056,818,362,071/83,662,391.38
  6. Step 6: Final answer
    x = 80,598,423.10

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1.5x scale

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.