Home / 159,130,246,220.70-219,598,622,655.12-86,872,311,064.86

Finding the Fourth Proportional to 159,130,246,220.70, 219,598,622,655.12 and 86,872,311,064.86

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Solution

The fourth proportional to 159,130,246,220.70, 219,598,622,655.12 and 86,872,311,064.86 is: 119,883,179,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,130,246,220.70 : 219,598,622,655.12 = 86,872,311,064.86 : x
  2. Step 2: Convert to fraction form
    159,130,246,220.70/219,598,622,655.12 = 86,872,311,064.86/x
  3. Step 3: Cross multiply
    159,130,246,220.70x = 219,598,622,655.12 × 86,872,311,064.86
  4. Step 4: Simplify right side
    159,130,246,220.70x = 19,077,039,856,710,395,625,472
  5. Step 5: Solve for x
    x = 19,077,039,856,710,395,625,472/159,130,246,220.70
  6. Step 6: Final answer
    x = 119,883,179,406.71

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1.5x scale

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.