Home / 67,880,409.12-93,678,049.22-40,004,295.80

Finding the Fourth Proportional to 67,880,409.12, 93,678,049.22 and 40,004,295.80

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Solution

The fourth proportional to 67,880,409.12, 93,678,049.22 and 40,004,295.80 is: 55,207,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,880,409.12 : 93,678,049.22 = 40,004,295.80 : x
  2. Step 2: Convert to fraction form
    67,880,409.12/93,678,049.22 = 40,004,295.80/x
  3. Step 3: Cross multiply
    67,880,409.12x = 93,678,049.22 × 40,004,295.80
  4. Step 4: Simplify right side
    67,880,409.12x = 3,747,524,390,295,428
  5. Step 5: Solve for x
    x = 3,747,524,390,295,428/67,880,409.12
  6. Step 6: Final answer
    x = 55,207,746.08

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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.