Home / 159,130,246,221.70-219,598,622,656.50-86,872,311,065.86

Finding the Fourth Proportional to 159,130,246,221.70, 219,598,622,656.50 and 86,872,311,065.86

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Solution

The fourth proportional to 159,130,246,221.70, 219,598,622,656.50 and 86,872,311,065.86 is: 119,883,179,408.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,130,246,221.70 : 219,598,622,656.50 = 86,872,311,065.86 : x
  2. Step 2: Convert to fraction form
    159,130,246,221.70/219,598,622,656.50 = 86,872,311,065.86/x
  3. Step 3: Cross multiply
    159,130,246,221.70x = 219,598,622,656.50 × 86,872,311,065.86
  4. Step 4: Simplify right side
    159,130,246,221.70x = 19,077,039,857,049,878,396,928
  5. Step 5: Solve for x
    x = 19,077,039,857,049,878,396,928/159,130,246,221.70
  6. Step 6: Final answer
    x = 119,883,179,408.09

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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.