Home / 175,816,243.20-263,542,406.40-78,818,419.20

Finding the Fourth Proportional to 175,816,243.20, 263,542,406.40 and 78,818,419.20

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Solution

The fourth proportional to 175,816,243.20, 263,542,406.40 and 78,818,419.20 is: 118,146,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,816,243.20 : 263,542,406.40 = 78,818,419.20 : x
  2. Step 2: Convert to fraction form
    175,816,243.20/263,542,406.40 = 78,818,419.20/x
  3. Step 3: Cross multiply
    175,816,243.20x = 263,542,406.40 × 78,818,419.20
  4. Step 4: Simplify right side
    175,816,243.20x = 20,771,995,864,611,964
  5. Step 5: Solve for x
    x = 20,771,995,864,611,964/175,816,243.20
  6. Step 6: Final answer
    x = 118,146,056.85

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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.