Home / 219,109,591.04-302,367,540.48-121,322,347.52

Finding the Fourth Proportional to 219,109,591.04, 302,367,540.48 and 121,322,347.52

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Solution

The fourth proportional to 219,109,591.04, 302,367,540.48 and 121,322,347.52 is: 167,422,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,109,591.04 : 302,367,540.48 = 121,322,347.52 : x
  2. Step 2: Convert to fraction form
    219,109,591.04/302,367,540.48 = 121,322,347.52/x
  3. Step 3: Cross multiply
    219,109,591.04x = 302,367,540.48 × 121,322,347.52
  4. Step 4: Simplify right side
    219,109,591.04x = 36,683,939,824,882,232
  5. Step 5: Solve for x
    x = 36,683,939,824,882,232/219,109,591.04
  6. Step 6: Final answer
    x = 167,422,793.55

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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.