Home / 130,244,906.01-179,743,024.86-71,510,046.69

Finding the Fourth Proportional to 130,244,906.01, 179,743,024.86 and 71,510,046.69

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Solution

The fourth proportional to 130,244,906.01, 179,743,024.86 and 71,510,046.69 is: 98,686,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,244,906.01 : 179,743,024.86 = 71,510,046.69 : x
  2. Step 2: Convert to fraction form
    130,244,906.01/179,743,024.86 = 71,510,046.69/x
  3. Step 3: Cross multiply
    130,244,906.01x = 179,743,024.86 × 71,510,046.69
  4. Step 4: Simplify right side
    130,244,906.01x = 12,853,432,099,940,432
  5. Step 5: Solve for x
    x = 12,853,432,099,940,432/130,244,906.01
  6. Step 6: Final answer
    x = 98,686,639.61

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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.