Home / 109,188,129.80-163,782,194.70-100,874,030.60

Finding the Fourth Proportional to 109,188,129.80, 163,782,194.70 and 100,874,030.60

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Solution

The fourth proportional to 109,188,129.80, 163,782,194.70 and 100,874,030.60 is: 151,311,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,188,129.80 : 163,782,194.70 = 100,874,030.60 : x
  2. Step 2: Convert to fraction form
    109,188,129.80/163,782,194.70 = 100,874,030.60/x
  3. Step 3: Cross multiply
    109,188,129.80x = 163,782,194.70 × 100,874,030.60
  4. Step 4: Simplify right side
    109,188,129.80x = 16,521,370,119,902,956
  5. Step 5: Solve for x
    x = 16,521,370,119,902,956/109,188,129.80
  6. Step 6: Final answer
    x = 151,311,045.90

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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.