Home / 84,215,331.15-116,168,647.74-50,701,480.71

Finding the Fourth Proportional to 84,215,331.15, 116,168,647.74 and 50,701,480.71

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Solution

The fourth proportional to 84,215,331.15, 116,168,647.74 and 50,701,480.71 is: 69,938,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,215,331.15 : 116,168,647.74 = 50,701,480.71 : x
  2. Step 2: Convert to fraction form
    84,215,331.15/116,168,647.74 = 50,701,480.71/x
  3. Step 3: Cross multiply
    84,215,331.15x = 116,168,647.74 × 50,701,480.71
  4. Step 4: Simplify right side
    84,215,331.15x = 5,889,922,451,871,371
  5. Step 5: Solve for x
    x = 5,889,922,451,871,371/84,215,331.15
  6. Step 6: Final answer
    x = 69,938,838.59

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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.