Home / 209,952,764.70-314,929,147.05-133,362,275.10

Finding the Fourth Proportional to 209,952,764.70, 314,929,147.05 and 133,362,275.10

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Solution

The fourth proportional to 209,952,764.70, 314,929,147.05 and 133,362,275.10 is: 200,043,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,764.70 : 314,929,147.05 = 133,362,275.10 : x
  2. Step 2: Convert to fraction form
    209,952,764.70/314,929,147.05 = 133,362,275.10/x
  3. Step 3: Cross multiply
    209,952,764.70x = 314,929,147.05 × 133,362,275.10
  4. Step 4: Simplify right side
    209,952,764.70x = 41,999,667,545,890,456
  5. Step 5: Solve for x
    x = 41,999,667,545,890,456/209,952,764.70
  6. Step 6: Final answer
    x = 200,043,412.65

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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.