Home / 163,129,473,735.14-225,088,789,443.97-90,869,740,343.57

Finding the Fourth Proportional to 163,129,473,735.14, 225,088,789,443.97 and 90,869,740,343.57

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Solution

The fourth proportional to 163,129,473,735.14, 225,088,789,443.97 and 90,869,740,343.57 is: 125,383,594,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,129,473,735.14 : 225,088,789,443.97 = 90,869,740,343.57 : x
  2. Step 2: Convert to fraction form
    163,129,473,735.14/225,088,789,443.97 = 90,869,740,343.57/x
  3. Step 3: Cross multiply
    163,129,473,735.14x = 225,088,789,443.97 × 90,869,740,343.57
  4. Step 4: Simplify right side
    163,129,473,735.14x = 20,453,759,851,022,054,850,560
  5. Step 5: Solve for x
    x = 20,453,759,851,022,054,850,560/163,129,473,735.14
  6. Step 6: Final answer
    x = 125,383,594,899.79

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Double scale
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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.