Home / 84,871,735.32-127,308,492.36-67,940,039.64

Finding the Fourth Proportional to 84,871,735.32, 127,308,492.36 and 67,940,039.64

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Solution

The fourth proportional to 84,871,735.32, 127,308,492.36 and 67,940,039.64 is: 101,910,771.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,871,735.32 : 127,308,492.36 = 67,940,039.64 : x
  2. Step 2: Convert to fraction form
    84,871,735.32/127,308,492.36 = 67,940,039.64/x
  3. Step 3: Cross multiply
    84,871,735.32x = 127,308,492.36 × 67,940,039.64
  4. Step 4: Simplify right side
    84,871,735.32x = 8,649,344,017,447,037
  5. Step 5: Solve for x
    x = 8,649,344,017,447,037/84,871,735.32
  6. Step 6: Final answer
    x = 101,910,771.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.