Home / 220,619,749.46-330,499,106.96-171,869,338.13

Finding the Fourth Proportional to 220,619,749.46, 330,499,106.96 and 171,869,338.13

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Solution

The fourth proportional to 220,619,749.46, 330,499,106.96 and 171,869,338.13 is: 257,468,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,619,749.46 : 330,499,106.96 = 171,869,338.13 : x
  2. Step 2: Convert to fraction form
    220,619,749.46/330,499,106.96 = 171,869,338.13/x
  3. Step 3: Cross multiply
    220,619,749.46x = 330,499,106.96 × 171,869,338.13
  4. Step 4: Simplify right side
    220,619,749.46x = 56,802,662,763,259,432
  5. Step 5: Solve for x
    x = 56,802,662,763,259,432/220,619,749.46
  6. Step 6: Final answer
    x = 257,468,621.48

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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.