Home / 107,841,838.10-161,762,757.15-80,967,982.10

Finding the Fourth Proportional to 107,841,838.10, 161,762,757.15 and 80,967,982.10

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Solution

The fourth proportional to 107,841,838.10, 161,762,757.15 and 80,967,982.10 is: 121,451,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,841,838.10 : 161,762,757.15 = 80,967,982.10 : x
  2. Step 2: Convert to fraction form
    107,841,838.10/161,762,757.15 = 80,967,982.10/x
  3. Step 3: Cross multiply
    107,841,838.10x = 161,762,757.15 × 80,967,982.10
  4. Step 4: Simplify right side
    107,841,838.10x = 13,097,604,025,367,846
  5. Step 5: Solve for x
    x = 13,097,604,025,367,846/107,841,838.10
  6. Step 6: Final answer
    x = 121,451,973.15

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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.