Home / 52,665,381.42-78,990,100.51-14,329,884.88

Finding the Fourth Proportional to 52,665,381.42, 78,990,100.51 and 14,329,884.88

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Solution

The fourth proportional to 52,665,381.42, 78,990,100.51 and 14,329,884.88 is: 21,492,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,665,381.42 : 78,990,100.51 = 14,329,884.88 : x
  2. Step 2: Convert to fraction form
    52,665,381.42/78,990,100.51 = 14,329,884.88/x
  3. Step 3: Cross multiply
    52,665,381.42x = 78,990,100.51 × 14,329,884.88
  4. Step 4: Simplify right side
    52,665,381.42x = 1,131,919,047,340,367.75
  5. Step 5: Solve for x
    x = 1,131,919,047,340,367.75/52,665,381.42
  6. Step 6: Final answer
    x = 21,492,658.30

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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.