Home / 199,029,817.20-298,677,436.20-112,768,057.20

Finding the Fourth Proportional to 199,029,817.20, 298,677,436.20 and 112,768,057.20

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Solution

The fourth proportional to 199,029,817.20, 298,677,436.20 and 112,768,057.20 is: 169,227,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,029,817.20 : 298,677,436.20 = 112,768,057.20 : x
  2. Step 2: Convert to fraction form
    199,029,817.20/298,677,436.20 = 112,768,057.20/x
  3. Step 3: Cross multiply
    199,029,817.20x = 298,677,436.20 × 112,768,057.20
  4. Step 4: Simplify right side
    199,029,817.20x = 33,681,274,209,750,952
  5. Step 5: Solve for x
    x = 33,681,274,209,750,952/199,029,817.20
  6. Step 6: Final answer
    x = 169,227,278.02

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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.