Home / 163,630,763.40-225,815,244.83-89,296,113.75

Finding the Fourth Proportional to 163,630,763.40, 225,815,244.83 and 89,296,113.75

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Solution

The fourth proportional to 163,630,763.40, 225,815,244.83 and 89,296,113.75 is: 123,231,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,630,763.40 : 225,815,244.83 = 89,296,113.75 : x
  2. Step 2: Convert to fraction form
    163,630,763.40/225,815,244.83 = 89,296,113.75/x
  3. Step 3: Cross multiply
    163,630,763.40x = 225,815,244.83 × 89,296,113.75
  4. Step 4: Simplify right side
    163,630,763.40x = 20,164,423,788,823,780
  5. Step 5: Solve for x
    x = 20,164,423,788,823,780/163,630,763.40
  6. Step 6: Final answer
    x = 123,231,251.69

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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.