Home / 129,356,827.40-194,052,955.80-43,086,238.40

Finding the Fourth Proportional to 129,356,827.40, 194,052,955.80 and 43,086,238.40

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Solution

The fourth proportional to 129,356,827.40, 194,052,955.80 and 43,086,238.40 is: 64,635,258.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,356,827.40 : 194,052,955.80 = 43,086,238.40 : x
  2. Step 2: Convert to fraction form
    129,356,827.40/194,052,955.80 = 43,086,238.40/x
  3. Step 3: Cross multiply
    129,356,827.40x = 194,052,955.80 × 43,086,238.40
  4. Step 4: Simplify right side
    129,356,827.40x = 8,361,011,915,823,463
  5. Step 5: Solve for x
    x = 8,361,011,915,823,463/129,356,827.40
  6. Step 6: Final answer
    x = 64,635,258.02

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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.