Home / 67,224,139.65-100,674,556.16-38,382,858.45

Finding the Fourth Proportional to 67,224,139.65, 100,674,556.16 and 38,382,858.45

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Solution

The fourth proportional to 67,224,139.65, 100,674,556.16 and 38,382,858.45 is: 57,481,988.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,224,139.65 : 100,674,556.16 = 38,382,858.45 : x
  2. Step 2: Convert to fraction form
    67,224,139.65/100,674,556.16 = 38,382,858.45/x
  3. Step 3: Cross multiply
    67,224,139.65x = 100,674,556.16 × 38,382,858.45
  4. Step 4: Simplify right side
    67,224,139.65x = 3,864,177,238,413,941.50
  5. Step 5: Solve for x
    x = 3,864,177,238,413,941.50/67,224,139.65
  6. Step 6: Final answer
    x = 57,481,988.74

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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.