Home / 123,982,181.89-185,973,655.28-30,609,164.14

Finding the Fourth Proportional to 123,982,181.89, 185,973,655.28 and 30,609,164.14

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Solution

The fourth proportional to 123,982,181.89, 185,973,655.28 and 30,609,164.14 is: 45,913,840.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,982,181.89 : 185,973,655.28 = 30,609,164.14 : x
  2. Step 2: Convert to fraction form
    123,982,181.89/185,973,655.28 = 30,609,164.14/x
  3. Step 3: Cross multiply
    123,982,181.89x = 185,973,655.28 × 30,609,164.14
  4. Step 4: Simplify right side
    123,982,181.89x = 5,692,498,139,563,318
  5. Step 5: Solve for x
    x = 5,692,498,139,563,318/123,982,181.89
  6. Step 6: Final answer
    x = 45,913,840.63

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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.