Home / 75,286,855.80-112,927,950.90-21,434,167.80

Finding the Fourth Proportional to 75,286,855.80, 112,927,950.90 and 21,434,167.80

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Solution

The fourth proportional to 75,286,855.80, 112,927,950.90 and 21,434,167.80 is: 32,150,587.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,286,855.80 : 112,927,950.90 = 21,434,167.80 : x
  2. Step 2: Convert to fraction form
    75,286,855.80/112,927,950.90 = 21,434,167.80/x
  3. Step 3: Cross multiply
    75,286,855.80x = 112,927,950.90 × 21,434,167.80
  4. Step 4: Simplify right side
    75,286,855.80x = 2,420,516,648,900,761
  5. Step 5: Solve for x
    x = 2,420,516,648,900,761/75,286,855.80
  6. Step 6: Final answer
    x = 32,150,587.55

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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.