Home / 251,685,280.80-377,527,921.20-79,214,961.60

Finding the Fourth Proportional to 251,685,280.80, 377,527,921.20 and 79,214,961.60

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Solution

The fourth proportional to 251,685,280.80, 377,527,921.20 and 79,214,961.60 is: 118,822,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,685,280.80 : 377,527,921.20 = 79,214,961.60 : x
  2. Step 2: Convert to fraction form
    251,685,280.80/377,527,921.20 = 79,214,961.60/x
  3. Step 3: Cross multiply
    251,685,280.80x = 377,527,921.20 × 79,214,961.60
  4. Step 4: Simplify right side
    251,685,280.80x = 29,905,859,780,785,824
  5. Step 5: Solve for x
    x = 29,905,859,780,785,824/251,685,280.80
  6. Step 6: Final answer
    x = 118,822,442.40

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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.