Home / 281,760,041.29-422,643,315.84-85,025,159.05

Finding the Fourth Proportional to 281,760,041.29, 422,643,315.84 and 85,025,159.05

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Solution

The fourth proportional to 281,760,041.29, 422,643,315.84 and 85,025,159.05 is: 127,538,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,760,041.29 : 422,643,315.84 = 85,025,159.05 : x
  2. Step 2: Convert to fraction form
    281,760,041.29/422,643,315.84 = 85,025,159.05/x
  3. Step 3: Cross multiply
    281,760,041.29x = 422,643,315.84 × 85,025,159.05
  4. Step 4: Simplify right side
    281,760,041.29x = 35,935,315,150,715,380
  5. Step 5: Solve for x
    x = 35,935,315,150,715,380/281,760,041.29
  6. Step 6: Final answer
    x = 127,538,720.49

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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.