Home / 67,871,400-93,661,744.68-36,931,036.20

Finding the Fourth Proportional to 67,871,400, 93,661,744.68 and 36,931,036.20

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Solution

The fourth proportional to 67,871,400, 93,661,744.68 and 36,931,036.20 is: 50,964,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,871,400 : 93,661,744.68 = 36,931,036.20 : x
  2. Step 2: Convert to fraction form
    67,871,400/93,661,744.68 = 36,931,036.20/x
  3. Step 3: Cross multiply
    67,871,400x = 93,661,744.68 × 36,931,036.20
  4. Step 4: Simplify right side
    67,871,400x = 3,459,025,283,332,238
  5. Step 5: Solve for x
    x = 3,459,025,283,332,238/67,871,400
  6. Step 6: Final answer
    x = 50,964,401.55

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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.