Home / 109,156,736.30-163,735,104.45-51,761,108.30

Finding the Fourth Proportional to 109,156,736.30, 163,735,104.45 and 51,761,108.30

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Solution

The fourth proportional to 109,156,736.30, 163,735,104.45 and 51,761,108.30 is: 77,641,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,736.30 : 163,735,104.45 = 51,761,108.30 : x
  2. Step 2: Convert to fraction form
    109,156,736.30/163,735,104.45 = 51,761,108.30/x
  3. Step 3: Cross multiply
    109,156,736.30x = 163,735,104.45 × 51,761,108.30
  4. Step 4: Simplify right side
    109,156,736.30x = 8,475,110,473,948,261
  5. Step 5: Solve for x
    x = 8,475,110,473,948,261/109,156,736.30
  6. Step 6: Final answer
    x = 77,641,662.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.