Home / 132,101,999.60-198,152,999.40-77,540,723.60

Finding the Fourth Proportional to 132,101,999.60, 198,152,999.40 and 77,540,723.60

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Solution

The fourth proportional to 132,101,999.60, 198,152,999.40 and 77,540,723.60 is: 116,311,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,101,999.60 : 198,152,999.40 = 77,540,723.60 : x
  2. Step 2: Convert to fraction form
    132,101,999.60/198,152,999.40 = 77,540,723.60/x
  3. Step 3: Cross multiply
    132,101,999.60x = 198,152,999.40 × 77,540,723.60
  4. Step 4: Simplify right side
    132,101,999.60x = 15,364,926,956,986,366
  5. Step 5: Solve for x
    x = 15,364,926,956,986,366/132,101,999.60
  6. Step 6: Final answer
    x = 116,311,085.40

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1.5x scale

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.