Home / 187,339,741.60-281,009,612.40-123,049,847.20

Finding the Fourth Proportional to 187,339,741.60, 281,009,612.40 and 123,049,847.20

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Solution

The fourth proportional to 187,339,741.60, 281,009,612.40 and 123,049,847.20 is: 184,574,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,339,741.60 : 281,009,612.40 = 123,049,847.20 : x
  2. Step 2: Convert to fraction form
    187,339,741.60/281,009,612.40 = 123,049,847.20/x
  3. Step 3: Cross multiply
    187,339,741.60x = 281,009,612.40 × 123,049,847.20
  4. Step 4: Simplify right side
    187,339,741.60x = 34,578,189,867,551,224
  5. Step 5: Solve for x
    x = 34,578,189,867,551,224/187,339,741.60
  6. Step 6: Final answer
    x = 184,574,770.80

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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.