Home / 189,124,818.36-260,998,739.28-109,733,884.86

Finding the Fourth Proportional to 189,124,818.36, 260,998,739.28 and 109,733,884.86

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Solution

The fourth proportional to 189,124,818.36, 260,998,739.28 and 109,733,884.86 is: 151,436,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,124,818.36 : 260,998,739.28 = 109,733,884.86 : x
  2. Step 2: Convert to fraction form
    189,124,818.36/260,998,739.28 = 109,733,884.86/x
  3. Step 3: Cross multiply
    189,124,818.36x = 260,998,739.28 × 109,733,884.86
  4. Step 4: Simplify right side
    189,124,818.36x = 28,640,405,604,756,680
  5. Step 5: Solve for x
    x = 28,640,405,604,756,680/189,124,818.36
  6. Step 6: Final answer
    x = 151,436,526.70

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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.