Home / 43,719,891.45-65,579,837.18-20,995,309.05

Finding the Fourth Proportional to 43,719,891.45, 65,579,837.18 and 20,995,309.05

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Solution

The fourth proportional to 43,719,891.45, 65,579,837.18 and 20,995,309.05 is: 31,492,963.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,719,891.45 : 65,579,837.18 = 20,995,309.05 : x
  2. Step 2: Convert to fraction form
    43,719,891.45/65,579,837.18 = 20,995,309.05/x
  3. Step 3: Cross multiply
    43,719,891.45x = 65,579,837.18 × 20,995,309.05
  4. Step 4: Simplify right side
    43,719,891.45x = 1,376,868,948,937,804
  5. Step 5: Solve for x
    x = 1,376,868,948,937,804/43,719,891.45
  6. Step 6: Final answer
    x = 31,492,963.58

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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.