Home / 54,416,069.16-75,081,133.62-30,889,372.92

Finding the Fourth Proportional to 54,416,069.16, 75,081,133.62 and 30,889,372.92

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Solution

The fourth proportional to 54,416,069.16, 75,081,133.62 and 30,889,372.92 is: 42,619,931.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,416,069.16 : 75,081,133.62 = 30,889,372.92 : x
  2. Step 2: Convert to fraction form
    54,416,069.16/75,081,133.62 = 30,889,372.92/x
  3. Step 3: Cross multiply
    54,416,069.16x = 75,081,133.62 × 30,889,372.92
  4. Step 4: Simplify right side
    54,416,069.16x = 2,319,209,135,644,530
  5. Step 5: Solve for x
    x = 2,319,209,135,644,530/54,416,069.16
  6. Step 6: Final answer
    x = 42,619,931.42

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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.