Home / 105,544,197.28-158,141,193.80-74,685,780.64

Finding the Fourth Proportional to 105,544,197.28, 158,141,193.80 and 74,685,780.64

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Solution

The fourth proportional to 105,544,197.28, 158,141,193.80 and 74,685,780.64 is: 111,904,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,544,197.28 : 158,141,193.80 = 74,685,780.64 : x
  2. Step 2: Convert to fraction form
    105,544,197.28/158,141,193.80 = 74,685,780.64/x
  3. Step 3: Cross multiply
    105,544,197.28x = 158,141,193.80 × 74,685,780.64
  4. Step 4: Simplify right side
    105,544,197.28x = 11,810,898,510,294,530
  5. Step 5: Solve for x
    x = 11,810,898,510,294,530/105,544,197.28
  6. Step 6: Final answer
    x = 111,904,764.21

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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.