Home / 314,930,280.80-472,395,421.20-133,177,458.80

Finding the Fourth Proportional to 314,930,280.80, 472,395,421.20 and 133,177,458.80

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Solution

The fourth proportional to 314,930,280.80, 472,395,421.20 and 133,177,458.80 is: 199,766,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,280.80 : 472,395,421.20 = 133,177,458.80 : x
  2. Step 2: Convert to fraction form
    314,930,280.80/472,395,421.20 = 133,177,458.80/x
  3. Step 3: Cross multiply
    314,930,280.80x = 472,395,421.20 × 133,177,458.80
  4. Step 4: Simplify right side
    314,930,280.80x = 62,912,421,744,171,640
  5. Step 5: Solve for x
    x = 62,912,421,744,171,640/314,930,280.80
  6. Step 6: Final answer
    x = 199,766,188.20

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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.