Home / 163,145,118.58-225,145,701.89-91,630,602.78

Finding the Fourth Proportional to 163,145,118.58, 225,145,701.89 and 91,630,602.78

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Solution

The fourth proportional to 163,145,118.58, 225,145,701.89 and 91,630,602.78 is: 126,453,286.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,145,118.58 : 225,145,701.89 = 91,630,602.78 : x
  2. Step 2: Convert to fraction form
    163,145,118.58/225,145,701.89 = 91,630,602.78/x
  3. Step 3: Cross multiply
    163,145,118.58x = 225,145,701.89 × 91,630,602.78
  4. Step 4: Simplify right side
    163,145,118.58x = 20,630,236,376,805,532
  5. Step 5: Solve for x
    x = 20,630,236,376,805,532/163,145,118.58
  6. Step 6: Final answer
    x = 126,453,286.23

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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.