Home / 77,977,619.34-107,627,200.11-51,873,237.42

Finding the Fourth Proportional to 77,977,619.34, 107,627,200.11 and 51,873,237.42

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Solution

The fourth proportional to 77,977,619.34, 107,627,200.11 and 51,873,237.42 is: 71,597,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,977,619.34 : 107,627,200.11 = 51,873,237.42 : x
  2. Step 2: Convert to fraction form
    77,977,619.34/107,627,200.11 = 51,873,237.42/x
  3. Step 3: Cross multiply
    77,977,619.34x = 107,627,200.11 × 51,873,237.42
  4. Step 4: Simplify right side
    77,977,619.34x = 5,582,971,304,155,880
  5. Step 5: Solve for x
    x = 5,582,971,304,155,880/77,977,619.34
  6. Step 6: Final answer
    x = 71,597,098.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.