Home / 134,043,936-184,995,645.44-81,149,798.40

Finding the Fourth Proportional to 134,043,936, 184,995,645.44 and 81,149,798.40

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Solution

The fourth proportional to 134,043,936, 184,995,645.44 and 81,149,798.40 is: 111,995,811.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,043,936 : 184,995,645.44 = 81,149,798.40 : x
  2. Step 2: Convert to fraction form
    134,043,936/184,995,645.44 = 81,149,798.40/x
  3. Step 3: Cross multiply
    134,043,936x = 184,995,645.44 × 81,149,798.40
  4. Step 4: Simplify right side
    134,043,936x = 15,012,359,332,333,880
  5. Step 5: Solve for x
    x = 15,012,359,332,333,880/134,043,936
  6. Step 6: Final answer
    x = 111,995,811.08

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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.