Home / 171,213,574.21-256,817,355.60-118,642,766.29

Finding the Fourth Proportional to 171,213,574.21, 256,817,355.60 and 118,642,766.29

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Solution

The fourth proportional to 171,213,574.21, 256,817,355.60 and 118,642,766.29 is: 177,962,066.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,213,574.21 : 256,817,355.60 = 118,642,766.29 : x
  2. Step 2: Convert to fraction form
    171,213,574.21/256,817,355.60 = 118,642,766.29/x
  3. Step 3: Cross multiply
    171,213,574.21x = 256,817,355.60 × 118,642,766.29
  4. Step 4: Simplify right side
    171,213,574.21x = 30,469,521,499,666,624
  5. Step 5: Solve for x
    x = 30,469,521,499,666,624/171,213,574.21
  6. Step 6: Final answer
    x = 177,962,066.62

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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.