Home / 123,982,185.90-185,973,661.28-30,609,168.15

Finding the Fourth Proportional to 123,982,185.90, 185,973,661.28 and 30,609,168.15

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Solution

The fourth proportional to 123,982,185.90, 185,973,661.28 and 30,609,168.15 is: 45,913,846.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,982,185.90 : 185,973,661.28 = 30,609,168.15 : x
  2. Step 2: Convert to fraction form
    123,982,185.90/185,973,661.28 = 30,609,168.15/x
  3. Step 3: Cross multiply
    123,982,185.90x = 185,973,661.28 × 30,609,168.15
  4. Step 4: Simplify right side
    123,982,185.90x = 5,692,499,068,507,750
  5. Step 5: Solve for x
    x = 5,692,499,068,507,750/123,982,185.90
  6. Step 6: Final answer
    x = 45,913,846.63

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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.