Home / 191,180,559.20-286,239,997.20-185,872,143.20

Finding the Fourth Proportional to 191,180,559.20, 286,239,997.20 and 185,872,143.20

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Solution

The fourth proportional to 191,180,559.20, 286,239,997.20 and 185,872,143.20 is: 278,292,112.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,180,559.20 : 286,239,997.20 = 185,872,143.20 : x
  2. Step 2: Convert to fraction form
    191,180,559.20/286,239,997.20 = 185,872,143.20/x
  3. Step 3: Cross multiply
    191,180,559.20x = 286,239,997.20 × 185,872,143.20
  4. Step 4: Simplify right side
    191,180,559.20x = 53,204,041,749,125,992
  5. Step 5: Solve for x
    x = 53,204,041,749,125,992/191,180,559.20
  6. Step 6: Final answer
    x = 278,292,112.82

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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.