Home / 75,040,360.80-112,476,560.40-42,707,752.80

Finding the Fourth Proportional to 75,040,360.80, 112,476,560.40 and 42,707,752.80

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Solution

The fourth proportional to 75,040,360.80, 112,476,560.40 and 42,707,752.80 is: 64,013,833.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,040,360.80 : 112,476,560.40 = 42,707,752.80 : x
  2. Step 2: Convert to fraction form
    75,040,360.80/112,476,560.40 = 42,707,752.80/x
  3. Step 3: Cross multiply
    75,040,360.80x = 112,476,560.40 × 42,707,752.80
  4. Step 4: Simplify right side
    75,040,360.80x = 4,803,621,137,357,469
  5. Step 5: Solve for x
    x = 4,803,621,137,357,469/75,040,360.80
  6. Step 6: Final answer
    x = 64,013,833.17

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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.