Home / 108,010,659.45-149,055,086.40-58,451,020.72

Finding the Fourth Proportional to 108,010,659.45, 149,055,086.40 and 58,451,020.72

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Solution

The fourth proportional to 108,010,659.45, 149,055,086.40 and 58,451,020.72 is: 80,662,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,010,659.45 : 149,055,086.40 = 58,451,020.72 : x
  2. Step 2: Convert to fraction form
    108,010,659.45/149,055,086.40 = 58,451,020.72/x
  3. Step 3: Cross multiply
    108,010,659.45x = 149,055,086.40 × 58,451,020.72
  4. Step 4: Simplify right side
    108,010,659.45x = 8,712,421,943,295,536
  5. Step 5: Solve for x
    x = 8,712,421,943,295,536/108,010,659.45
  6. Step 6: Final answer
    x = 80,662,612.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.