Home / 83,755,541.36-115,582,827.48-47,086,413.68

Finding the Fourth Proportional to 83,755,541.36, 115,582,827.48 and 47,086,413.68

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Solution

The fourth proportional to 83,755,541.36, 115,582,827.48 and 47,086,413.68 is: 64,979,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,755,541.36 : 115,582,827.48 = 47,086,413.68 : x
  2. Step 2: Convert to fraction form
    83,755,541.36/115,582,827.48 = 47,086,413.68/x
  3. Step 3: Cross multiply
    83,755,541.36x = 115,582,827.48 × 47,086,413.68
  4. Step 4: Simplify right side
    83,755,541.36x = 5,442,380,829,027,352
  5. Step 5: Solve for x
    x = 5,442,380,829,027,352/83,755,541.36
  6. Step 6: Final answer
    x = 64,979,352.30

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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.