Home / 118,750,322.40-178,142,072.40-50,592,472.80

Finding the Fourth Proportional to 118,750,322.40, 178,142,072.40 and 50,592,472.80

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Solution

The fourth proportional to 118,750,322.40, 178,142,072.40 and 50,592,472.80 is: 75,895,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,750,322.40 : 178,142,072.40 = 50,592,472.80 : x
  2. Step 2: Convert to fraction form
    118,750,322.40/178,142,072.40 = 50,592,472.80/x
  3. Step 3: Cross multiply
    118,750,322.40x = 178,142,072.40 × 50,592,472.80
  4. Step 4: Simplify right side
    118,750,322.40x = 9,012,647,952,432,630
  5. Step 5: Solve for x
    x = 9,012,647,952,432,630/118,750,322.40
  6. Step 6: Final answer
    x = 75,895,776.70

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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.