Home / 108,867,609.80-163,077,465.90-55,045,248.20

Finding the Fourth Proportional to 108,867,609.80, 163,077,465.90 and 55,045,248.20

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Solution

The fourth proportional to 108,867,609.80, 163,077,465.90 and 55,045,248.20 is: 82,454,640.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867,609.80 : 163,077,465.90 = 55,045,248.20 : x
  2. Step 2: Convert to fraction form
    108,867,609.80/163,077,465.90 = 55,045,248.20/x
  3. Step 3: Cross multiply
    108,867,609.80x = 163,077,465.90 × 55,045,248.20
  4. Step 4: Simplify right side
    108,867,609.80x = 8,976,639,586,292,537
  5. Step 5: Solve for x
    x = 8,976,639,586,292,537/108,867,609.80
  6. Step 6: Final answer
    x = 82,454,640.12

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1.5x scale

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.