Home / 108,867,724.80-163,077,638.40-55,045,363.20

Finding the Fourth Proportional to 108,867,724.80, 163,077,638.40 and 55,045,363.20

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Solution

The fourth proportional to 108,867,724.80, 163,077,638.40 and 55,045,363.20 is: 82,454,812.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867,724.80 : 163,077,638.40 = 55,045,363.20 : x
  2. Step 2: Convert to fraction form
    108,867,724.80/163,077,638.40 = 55,045,363.20/x
  3. Step 3: Cross multiply
    108,867,724.80x = 163,077,638.40 × 55,045,363.20
  4. Step 4: Simplify right side
    108,867,724.80x = 8,976,667,835,526,268
  5. Step 5: Solve for x
    x = 8,976,667,835,526,268/108,867,724.80
  6. Step 6: Final answer
    x = 82,454,812.50

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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.