Home / 159,130,246,220.64-219,598,622,655.24-86,872,311,064.80

Finding the Fourth Proportional to 159,130,246,220.64, 219,598,622,655.24 and 86,872,311,064.80

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Solution

The fourth proportional to 159,130,246,220.64, 219,598,622,655.24 and 86,872,311,064.80 is: 119,883,179,406.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,130,246,220.64 : 219,598,622,655.24 = 86,872,311,064.80 : x
  2. Step 2: Convert to fraction form
    159,130,246,220.64/219,598,622,655.24 = 86,872,311,064.80/x
  3. Step 3: Cross multiply
    159,130,246,220.64x = 219,598,622,655.24 × 86,872,311,064.80
  4. Step 4: Simplify right side
    159,130,246,220.64x = 19,077,039,856,707,644,162,048
  5. Step 5: Solve for x
    x = 19,077,039,856,707,644,162,048/159,130,246,220.64
  6. Step 6: Final answer
    x = 119,883,179,406.74

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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.