Home / 189,539,997.40-261,605,607.42-130,082,627.80

Finding the Fourth Proportional to 189,539,997.40, 261,605,607.42 and 130,082,627.80

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Solution

The fourth proportional to 189,539,997.40, 261,605,607.42 and 130,082,627.80 is: 179,541,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,539,997.40 : 261,605,607.42 = 130,082,627.80 : x
  2. Step 2: Convert to fraction form
    189,539,997.40/261,605,607.42 = 130,082,627.80/x
  3. Step 3: Cross multiply
    189,539,997.40x = 261,605,607.42 × 130,082,627.80
  4. Step 4: Simplify right side
    189,539,997.40x = 34,030,344,860,408,776
  5. Step 5: Solve for x
    x = 34,030,344,860,408,776/189,539,997.40
  6. Step 6: Final answer
    x = 179,541,760.72

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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.