Home / 66,582,581.40-99,873,872.10-18,713,525.40

Finding the Fourth Proportional to 66,582,581.40, 99,873,872.10 and 18,713,525.40

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Solution

The fourth proportional to 66,582,581.40, 99,873,872.10 and 18,713,525.40 is: 28,070,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,582,581.40 : 99,873,872.10 = 18,713,525.40 : x
  2. Step 2: Convert to fraction form
    66,582,581.40/99,873,872.10 = 18,713,525.40/x
  3. Step 3: Cross multiply
    66,582,581.40x = 99,873,872.10 × 18,713,525.40
  4. Step 4: Simplify right side
    66,582,581.40x = 1,868,992,242,339,701
  5. Step 5: Solve for x
    x = 1,868,992,242,339,701/66,582,581.40
  6. Step 6: Final answer
    x = 28,070,288.10

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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.