Home / 68,801,325.12-103,202,199.96-16,985,933.76

Finding the Fourth Proportional to 68,801,325.12, 103,202,199.96 and 16,985,933.76

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Solution

The fourth proportional to 68,801,325.12, 103,202,199.96 and 16,985,933.76 is: 25,478,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,801,325.12 : 103,202,199.96 = 16,985,933.76 : x
  2. Step 2: Convert to fraction form
    68,801,325.12/103,202,199.96 = 16,985,933.76/x
  3. Step 3: Cross multiply
    68,801,325.12x = 103,202,199.96 × 16,985,933.76
  4. Step 4: Simplify right side
    68,801,325.12x = 1,752,985,732,406,834.75
  5. Step 5: Solve for x
    x = 1,752,985,732,406,834.75/68,801,325.12
  6. Step 6: Final answer
    x = 25,478,953.05

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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.