Home / 75,262,898.40-112,872,509.52-31,542,514.56

Finding the Fourth Proportional to 75,262,898.40, 112,872,509.52 and 31,542,514.56

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Solution

The fourth proportional to 75,262,898.40, 112,872,509.52 and 31,542,514.56 is: 47,304,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,262,898.40 : 112,872,509.52 = 31,542,514.56 : x
  2. Step 2: Convert to fraction form
    75,262,898.40/112,872,509.52 = 31,542,514.56/x
  3. Step 3: Cross multiply
    75,262,898.40x = 112,872,509.52 × 31,542,514.56
  4. Step 4: Simplify right side
    75,262,898.40x = 3,560,282,774,958,338.50
  5. Step 5: Solve for x
    x = 3,560,282,774,958,338.50/75,262,898.40
  6. Step 6: Final answer
    x = 47,304,619.55

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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.