Home / 163,129,473,849.39-225,088,789,601.36-90,869,740,457.82

Finding the Fourth Proportional to 163,129,473,849.39, 225,088,789,601.36 and 90,869,740,457.82

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Solution

The fourth proportional to 163,129,473,849.39, 225,088,789,601.36 and 90,869,740,457.82 is: 125,383,595,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,129,473,849.39 : 225,088,789,601.36 = 90,869,740,457.82 : x
  2. Step 2: Convert to fraction form
    163,129,473,849.39/225,088,789,601.36 = 90,869,740,457.82/x
  3. Step 3: Cross multiply
    163,129,473,849.39x = 225,088,789,601.36 × 90,869,740,457.82
  4. Step 4: Simplify right side
    163,129,473,849.39x = 20,453,759,891,040,437,796,864
  5. Step 5: Solve for x
    x = 20,453,759,891,040,437,796,864/163,129,473,849.39
  6. Step 6: Final answer
    x = 125,383,595,057.29

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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.