Home / 75,671,135.16-113,506,704.24-18,163,406.34

Finding the Fourth Proportional to 75,671,135.16, 113,506,704.24 and 18,163,406.34

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Solution

The fourth proportional to 75,671,135.16, 113,506,704.24 and 18,163,406.34 is: 27,245,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,671,135.16 : 113,506,704.24 = 18,163,406.34 : x
  2. Step 2: Convert to fraction form
    75,671,135.16/113,506,704.24 = 18,163,406.34/x
  3. Step 3: Cross multiply
    75,671,135.16x = 113,506,704.24 × 18,163,406.34
  4. Step 4: Simplify right side
    75,671,135.16x = 2,061,668,391,425,320.75
  5. Step 5: Solve for x
    x = 2,061,668,391,425,320.75/75,671,135.16
  6. Step 6: Final answer
    x = 27,245,109.87

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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.