Home / 121,397,444.20-182,096,166.30-108,642,860.20

Finding the Fourth Proportional to 121,397,444.20, 182,096,166.30 and 108,642,860.20

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Solution

The fourth proportional to 121,397,444.20, 182,096,166.30 and 108,642,860.20 is: 162,964,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,397,444.20 : 182,096,166.30 = 108,642,860.20 : x
  2. Step 2: Convert to fraction form
    121,397,444.20/182,096,166.30 = 108,642,860.20/x
  3. Step 3: Cross multiply
    121,397,444.20x = 182,096,166.30 × 108,642,860.20
  4. Step 4: Simplify right side
    121,397,444.20x = 19,783,448,338,286,852
  5. Step 5: Solve for x
    x = 19,783,448,338,286,852/121,397,444.20
  6. Step 6: Final answer
    x = 162,964,290.30

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1.5x scale

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.