Home / 109,222,407.40-163,833,611.10-28,443,375.40

Finding the Fourth Proportional to 109,222,407.40, 163,833,611.10 and 28,443,375.40

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Solution

The fourth proportional to 109,222,407.40, 163,833,611.10 and 28,443,375.40 is: 42,665,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,222,407.40 : 163,833,611.10 = 28,443,375.40 : x
  2. Step 2: Convert to fraction form
    109,222,407.40/163,833,611.10 = 28,443,375.40/x
  3. Step 3: Cross multiply
    109,222,407.40x = 163,833,611.10 × 28,443,375.40
  4. Step 4: Simplify right side
    109,222,407.40x = 4,659,980,903,654,907
  5. Step 5: Solve for x
    x = 4,659,980,903,654,907/109,222,407.40
  6. Step 6: Final answer
    x = 42,665,063.10

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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.