Home / 109,156,719.80-163,735,079.70-51,761,091.80

Finding the Fourth Proportional to 109,156,719.80, 163,735,079.70 and 51,761,091.80

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Solution

The fourth proportional to 109,156,719.80, 163,735,079.70 and 51,761,091.80 is: 77,641,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,719.80 : 163,735,079.70 = 51,761,091.80 : x
  2. Step 2: Convert to fraction form
    109,156,719.80/163,735,079.70 = 51,761,091.80/x
  3. Step 3: Cross multiply
    109,156,719.80x = 163,735,079.70 × 51,761,091.80
  4. Step 4: Simplify right side
    109,156,719.80x = 8,475,106,491,232,015
  5. Step 5: Solve for x
    x = 8,475,106,491,232,015/109,156,719.80
  6. Step 6: Final answer
    x = 77,641,637.70

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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.