Home / 314,930,712.30-472,396,068.45-133,177,890.30

Finding the Fourth Proportional to 314,930,712.30, 472,396,068.45 and 133,177,890.30

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Solution

The fourth proportional to 314,930,712.30, 472,396,068.45 and 133,177,890.30 is: 199,766,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,712.30 : 472,396,068.45 = 133,177,890.30 : x
  2. Step 2: Convert to fraction form
    314,930,712.30/472,396,068.45 = 133,177,890.30/x
  3. Step 3: Cross multiply
    314,930,712.30x = 472,396,068.45 × 133,177,890.30
  4. Step 4: Simplify right side
    314,930,712.30x = 62,912,711,782,185,392
  5. Step 5: Solve for x
    x = 62,912,711,782,185,392/314,930,712.30
  6. Step 6: Final answer
    x = 199,766,835.45

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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.