Home / 159,130,246,205.12-219,598,622,633.72-86,872,311,049.28

Finding the Fourth Proportional to 159,130,246,205.12, 219,598,622,633.72 and 86,872,311,049.28

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Solution

The fourth proportional to 159,130,246,205.12, 219,598,622,633.72 and 86,872,311,049.28 is: 119,883,179,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,130,246,205.12 : 219,598,622,633.72 = 86,872,311,049.28 : x
  2. Step 2: Convert to fraction form
    159,130,246,205.12/219,598,622,633.72 = 86,872,311,049.28/x
  3. Step 3: Cross multiply
    159,130,246,205.12x = 219,598,622,633.72 × 86,872,311,049.28
  4. Step 4: Simplify right side
    159,130,246,205.12x = 19,077,039,851,429,980,798,976
  5. Step 5: Solve for x
    x = 19,077,039,851,429,980,798,976/159,130,246,205.12
  6. Step 6: Final answer
    x = 119,883,179,385.27

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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.