Home / 65,491,312.80-98,237,260.80-16,965,719.40

Finding the Fourth Proportional to 65,491,312.80, 98,237,260.80 and 16,965,719.40

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Solution

The fourth proportional to 65,491,312.80, 98,237,260.80 and 16,965,719.40 is: 25,448,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,491,312.80 : 98,237,260.80 = 16,965,719.40 : x
  2. Step 2: Convert to fraction form
    65,491,312.80/98,237,260.80 = 16,965,719.40/x
  3. Step 3: Cross multiply
    65,491,312.80x = 98,237,260.80 × 16,965,719.40
  4. Step 4: Simplify right side
    65,491,312.80x = 1,666,665,801,357,419.25
  5. Step 5: Solve for x
    x = 1,666,665,801,357,419.25/65,491,312.80
  6. Step 6: Final answer
    x = 25,448,654.64

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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.