Home / 100,727,218.80-151,117,232.04-31,637,231.64

Finding the Fourth Proportional to 100,727,218.80, 151,117,232.04 and 31,637,231.64

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Solution

The fourth proportional to 100,727,218.80, 151,117,232.04 and 31,637,231.64 is: 47,464,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,727,218.80 : 151,117,232.04 = 31,637,231.64 : x
  2. Step 2: Convert to fraction form
    100,727,218.80/151,117,232.04 = 31,637,231.64/x
  3. Step 3: Cross multiply
    100,727,218.80x = 151,117,232.04 × 31,637,231.64
  4. Step 4: Simplify right side
    100,727,218.80x = 4,780,930,874,845,110
  5. Step 5: Solve for x
    x = 4,780,930,874,845,110/100,727,218.80
  6. Step 6: Final answer
    x = 47,464,140.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.