Home / 65,428,576.32-98,143,881.84-19,375,103.64

Finding the Fourth Proportional to 65,428,576.32, 98,143,881.84 and 19,375,103.64

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Solution

The fourth proportional to 65,428,576.32, 98,143,881.84 and 19,375,103.64 is: 29,062,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,428,576.32 : 98,143,881.84 = 19,375,103.64 : x
  2. Step 2: Convert to fraction form
    65,428,576.32/98,143,881.84 = 19,375,103.64/x
  3. Step 3: Cross multiply
    65,428,576.32x = 98,143,881.84 × 19,375,103.64
  4. Step 4: Simplify right side
    65,428,576.32x = 1,901,547,882,281,914
  5. Step 5: Solve for x
    x = 1,901,547,882,281,914/65,428,576.32
  6. Step 6: Final answer
    x = 29,062,956.73

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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.