Home / 107,847,511.20-161,771,266.80-71,567,805.60

Finding the Fourth Proportional to 107,847,511.20, 161,771,266.80 and 71,567,805.60

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Solution

The fourth proportional to 107,847,511.20, 161,771,266.80 and 71,567,805.60 is: 107,351,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,847,511.20 : 161,771,266.80 = 71,567,805.60 : x
  2. Step 2: Convert to fraction form
    107,847,511.20/161,771,266.80 = 71,567,805.60/x
  3. Step 3: Cross multiply
    107,847,511.20x = 161,771,266.80 × 71,567,805.60
  4. Step 4: Simplify right side
    107,847,511.20x = 11,577,614,574,008,134
  5. Step 5: Solve for x
    x = 11,577,614,574,008,134/107,847,511.20
  6. Step 6: Final answer
    x = 107,351,708.40

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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.