Home / 109,113,540.80-163,670,311.20-28,334,508.80

Finding the Fourth Proportional to 109,113,540.80, 163,670,311.20 and 28,334,508.80

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Solution

The fourth proportional to 109,113,540.80, 163,670,311.20 and 28,334,508.80 is: 42,501,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,113,540.80 : 163,670,311.20 = 28,334,508.80 : x
  2. Step 2: Convert to fraction form
    109,113,540.80/163,670,311.20 = 28,334,508.80/x
  3. Step 3: Cross multiply
    109,113,540.80x = 163,670,311.20 × 28,334,508.80
  4. Step 4: Simplify right side
    109,113,540.80x = 4,637,517,872,995,138
  5. Step 5: Solve for x
    x = 4,637,517,872,995,138/109,113,540.80
  6. Step 6: Final answer
    x = 42,501,763.20

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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.