Home / 109,156,719.30-163,735,078.95-51,761,091.30

Finding the Fourth Proportional to 109,156,719.30, 163,735,078.95 and 51,761,091.30

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Solution

The fourth proportional to 109,156,719.30, 163,735,078.95 and 51,761,091.30 is: 77,641,636.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,719.30 : 163,735,078.95 = 51,761,091.30 : x
  2. Step 2: Convert to fraction form
    109,156,719.30/163,735,078.95 = 51,761,091.30/x
  3. Step 3: Cross multiply
    109,156,719.30x = 163,735,078.95 × 51,761,091.30
  4. Step 4: Simplify right side
    109,156,719.30x = 8,475,106,370,543,657
  5. Step 5: Solve for x
    x = 8,475,106,370,543,657/109,156,719.30
  6. Step 6: Final answer
    x = 77,641,636.95

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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.