Home / 54,924,109.20-82,386,163.80-42,802,661.70

Finding the Fourth Proportional to 54,924,109.20, 82,386,163.80 and 42,802,661.70

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Solution

The fourth proportional to 54,924,109.20, 82,386,163.80 and 42,802,661.70 is: 64,203,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,924,109.20 : 82,386,163.80 = 42,802,661.70 : x
  2. Step 2: Convert to fraction form
    54,924,109.20/82,386,163.80 = 42,802,661.70/x
  3. Step 3: Cross multiply
    54,924,109.20x = 82,386,163.80 × 42,802,661.70
  4. Step 4: Simplify right side
    54,924,109.20x = 3,526,347,097,892,186.50
  5. Step 5: Solve for x
    x = 3,526,347,097,892,186.50/54,924,109.20
  6. Step 6: Final answer
    x = 64,203,992.55

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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.