Home / 67,880,426.40-93,678,073.14-40,004,313.12

Finding the Fourth Proportional to 67,880,426.40, 93,678,073.14 and 40,004,313.12

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Solution

The fourth proportional to 67,880,426.40, 93,678,073.14 and 40,004,313.12 is: 55,207,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,880,426.40 : 93,678,073.14 = 40,004,313.12 : x
  2. Step 2: Convert to fraction form
    67,880,426.40/93,678,073.14 = 40,004,313.12/x
  3. Step 3: Cross multiply
    67,880,426.40x = 93,678,073.14 × 40,004,313.12
  4. Step 4: Simplify right side
    67,880,426.40x = 3,747,526,970,370,821.50
  5. Step 5: Solve for x
    x = 3,747,526,970,370,821.50/67,880,426.40
  6. Step 6: Final answer
    x = 55,207,770.03

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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.