Home / 67,884,360.75-93,664,080.95-40,008,180.78

Finding the Fourth Proportional to 67,884,360.75, 93,664,080.95 and 40,008,180.78

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Solution

The fourth proportional to 67,884,360.75, 93,664,080.95 and 40,008,180.78 is: 55,201,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,884,360.75 : 93,664,080.95 = 40,008,180.78 : x
  2. Step 2: Convert to fraction form
    67,884,360.75/93,664,080.95 = 40,008,180.78/x
  3. Step 3: Cross multiply
    67,884,360.75x = 93,664,080.95 × 40,008,180.78
  4. Step 4: Simplify right side
    67,884,360.75x = 3,747,329,483,040,113
  5. Step 5: Solve for x
    x = 3,747,329,483,040,113/67,884,360.75
  6. Step 6: Final answer
    x = 55,201,661.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.