Home / 108,753,616.90-163,130,425.35-76,442,004.10

Finding the Fourth Proportional to 108,753,616.90, 163,130,425.35 and 76,442,004.10

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Solution

The fourth proportional to 108,753,616.90, 163,130,425.35 and 76,442,004.10 is: 114,663,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,753,616.90 : 163,130,425.35 = 76,442,004.10 : x
  2. Step 2: Convert to fraction form
    108,753,616.90/163,130,425.35 = 76,442,004.10/x
  3. Step 3: Cross multiply
    108,753,616.90x = 163,130,425.35 × 76,442,004.10
  4. Step 4: Simplify right side
    108,753,616.90x = 12,470,016,643,439,442
  5. Step 5: Solve for x
    x = 12,470,016,643,439,442/108,753,616.90
  6. Step 6: Final answer
    x = 114,663,006.15

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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.