Home / 105,628,534.56-158,425,805.88-28,933,632.72

Finding the Fourth Proportional to 105,628,534.56, 158,425,805.88 and 28,933,632.72

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Solution

The fourth proportional to 105,628,534.56, 158,425,805.88 and 28,933,632.72 is: 43,395,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,628,534.56 : 158,425,805.88 = 28,933,632.72 : x
  2. Step 2: Convert to fraction form
    105,628,534.56/158,425,805.88 = 28,933,632.72/x
  3. Step 3: Cross multiply
    105,628,534.56x = 158,425,805.88 × 28,933,632.72
  4. Step 4: Simplify right side
    105,628,534.56x = 4,583,834,080,701,936
  5. Step 5: Solve for x
    x = 4,583,834,080,701,936/105,628,534.56
  6. Step 6: Final answer
    x = 43,395,793.57

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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.