Home / 175,878,311.20-263,817,466.80-129,961,808.80

Finding the Fourth Proportional to 175,878,311.20, 263,817,466.80 and 129,961,808.80

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Solution

The fourth proportional to 175,878,311.20, 263,817,466.80 and 129,961,808.80 is: 194,942,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,878,311.20 : 263,817,466.80 = 129,961,808.80 : x
  2. Step 2: Convert to fraction form
    175,878,311.20/263,817,466.80 = 129,961,808.80/x
  3. Step 3: Cross multiply
    175,878,311.20x = 263,817,466.80 × 129,961,808.80
  4. Step 4: Simplify right side
    175,878,311.20x = 34,286,195,178,361,948
  5. Step 5: Solve for x
    x = 34,286,195,178,361,948/175,878,311.20
  6. Step 6: Final answer
    x = 194,942,713.20

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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.