Home / 67,444,401.78-101,170,281.87-21,382,939.47

Finding the Fourth Proportional to 67,444,401.78, 101,170,281.87 and 21,382,939.47

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Solution

The fourth proportional to 67,444,401.78, 101,170,281.87 and 21,382,939.47 is: 32,075,575.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,444,401.78 : 101,170,281.87 = 21,382,939.47 : x
  2. Step 2: Convert to fraction form
    67,444,401.78/101,170,281.87 = 21,382,939.47/x
  3. Step 3: Cross multiply
    67,444,401.78x = 101,170,281.87 × 21,382,939.47
  4. Step 4: Simplify right side
    67,444,401.78x = 2,163,318,013,389,048.50
  5. Step 5: Solve for x
    x = 2,163,318,013,389,048.50/67,444,401.78
  6. Step 6: Final answer
    x = 32,075,575.68

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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.