Home / 108,753,615.90-163,130,423.85-76,442,003.10

Finding the Fourth Proportional to 108,753,615.90, 163,130,423.85 and 76,442,003.10

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Solution

The fourth proportional to 108,753,615.90, 163,130,423.85 and 76,442,003.10 is: 114,663,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,753,615.90 : 163,130,423.85 = 76,442,003.10 : x
  2. Step 2: Convert to fraction form
    108,753,615.90/163,130,423.85 = 76,442,003.10/x
  3. Step 3: Cross multiply
    108,753,615.90x = 163,130,423.85 × 76,442,003.10
  4. Step 4: Simplify right side
    108,753,615.90x = 12,470,016,365,646,012
  5. Step 5: Solve for x
    x = 12,470,016,365,646,012/108,753,615.90
  6. Step 6: Final answer
    x = 114,663,004.65

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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.