Home / 67,880,402.68-93,678,040.31-40,004,289.40

Finding the Fourth Proportional to 67,880,402.68, 93,678,040.31 and 40,004,289.40

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Solution

The fourth proportional to 67,880,402.68, 93,678,040.31 and 40,004,289.40 is: 55,207,737.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,880,402.68 : 93,678,040.31 = 40,004,289.40 : x
  2. Step 2: Convert to fraction form
    67,880,402.68/93,678,040.31 = 40,004,289.40/x
  3. Step 3: Cross multiply
    67,880,402.68x = 93,678,040.31 × 40,004,289.40
  4. Step 4: Simplify right side
    67,880,402.68x = 3,747,523,435,170,296
  5. Step 5: Solve for x
    x = 3,747,523,435,170,296/67,880,402.68
  6. Step 6: Final answer
    x = 55,207,737.24

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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.