Home / 108,754,134.40-163,131,201.60-76,442,521.60

Finding the Fourth Proportional to 108,754,134.40, 163,131,201.60 and 76,442,521.60

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Solution

The fourth proportional to 108,754,134.40, 163,131,201.60 and 76,442,521.60 is: 114,663,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,754,134.40 : 163,131,201.60 = 76,442,521.60 : x
  2. Step 2: Convert to fraction form
    108,754,134.40/163,131,201.60 = 76,442,521.60/x
  3. Step 3: Cross multiply
    108,754,134.40x = 163,131,201.60 × 76,442,521.60
  4. Step 4: Simplify right side
    108,754,134.40x = 12,470,160,401,941,954
  5. Step 5: Solve for x
    x = 12,470,160,401,941,954/108,754,134.40
  6. Step 6: Final answer
    x = 114,663,782.40

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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.