Home / 92,109,215.44-138,206,967.84-45,397,236.40

Finding the Fourth Proportional to 92,109,215.44, 138,206,967.84 and 45,397,236.40

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Solution

The fourth proportional to 92,109,215.44, 138,206,967.84 and 45,397,236.40 is: 68,117,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,109,215.44 : 138,206,967.84 = 45,397,236.40 : x
  2. Step 2: Convert to fraction form
    92,109,215.44/138,206,967.84 = 45,397,236.40/x
  3. Step 3: Cross multiply
    92,109,215.44x = 138,206,967.84 × 45,397,236.40
  4. Step 4: Simplify right side
    92,109,215.44x = 6,274,214,391,159,677
  5. Step 5: Solve for x
    x = 6,274,214,391,159,677/92,109,215.44
  6. Step 6: Final answer
    x = 68,117,119.02

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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.