Home / 54,719,216.83-81,948,031.71-30,397,820.68

Finding the Fourth Proportional to 54,719,216.83, 81,948,031.71 and 30,397,820.68

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Solution

The fourth proportional to 54,719,216.83, 81,948,031.71 and 30,397,820.68 is: 45,524,072.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,719,216.83 : 81,948,031.71 = 30,397,820.68 : x
  2. Step 2: Convert to fraction form
    54,719,216.83/81,948,031.71 = 30,397,820.68/x
  3. Step 3: Cross multiply
    54,719,216.83x = 81,948,031.71 × 30,397,820.68
  4. Step 4: Simplify right side
    54,719,216.83x = 2,491,041,572,999,533.50
  5. Step 5: Solve for x
    x = 2,491,041,572,999,533.50/54,719,216.83
  6. Step 6: Final answer
    x = 45,524,072.11

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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.