Home / 85,646,342.40-117,893,255.22-73,922,810.64

Finding the Fourth Proportional to 85,646,342.40, 117,893,255.22 and 73,922,810.64

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Solution

The fourth proportional to 85,646,342.40, 117,893,255.22 and 73,922,810.64 is: 101,755,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,646,342.40 : 117,893,255.22 = 73,922,810.64 : x
  2. Step 2: Convert to fraction form
    85,646,342.40/117,893,255.22 = 73,922,810.64/x
  3. Step 3: Cross multiply
    85,646,342.40x = 117,893,255.22 × 73,922,810.64
  4. Step 4: Simplify right side
    85,646,342.40x = 8,715,000,781,361,252
  5. Step 5: Solve for x
    x = 8,715,000,781,361,252/85,646,342.40
  6. Step 6: Final answer
    x = 101,755,667.98

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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.