Home / 65,771,073-90,757,932.84-39,304,176.12

Finding the Fourth Proportional to 65,771,073, 90,757,932.84 and 39,304,176.12

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Solution

The fourth proportional to 65,771,073, 90,757,932.84 and 39,304,176.12 is: 54,236,089.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,771,073 : 90,757,932.84 = 39,304,176.12 : x
  2. Step 2: Convert to fraction form
    65,771,073/90,757,932.84 = 39,304,176.12/x
  3. Step 3: Cross multiply
    65,771,073x = 90,757,932.84 × 39,304,176.12
  4. Step 4: Simplify right side
    65,771,073x = 3,567,165,776,630,491.50
  5. Step 5: Solve for x
    x = 3,567,165,776,630,491.50/65,771,073
  6. Step 6: Final answer
    x = 54,236,089.12

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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.