Home / 314,930,620.80-472,395,931.20-133,177,798.80

Finding the Fourth Proportional to 314,930,620.80, 472,395,931.20 and 133,177,798.80

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Solution

The fourth proportional to 314,930,620.80, 472,395,931.20 and 133,177,798.80 is: 199,766,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,620.80 : 472,395,931.20 = 133,177,798.80 : x
  2. Step 2: Convert to fraction form
    314,930,620.80/472,395,931.20 = 133,177,798.80/x
  3. Step 3: Cross multiply
    314,930,620.80x = 472,395,931.20 × 133,177,798.80
  4. Step 4: Simplify right side
    314,930,620.80x = 62,912,650,279,292,240
  5. Step 5: Solve for x
    x = 62,912,650,279,292,240/314,930,620.80
  6. Step 6: Final answer
    x = 199,766,698.20

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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.