Home / 209,952,768.30-314,929,152.45-107,916,096.30

Finding the Fourth Proportional to 209,952,768.30, 314,929,152.45 and 107,916,096.30

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Solution

The fourth proportional to 209,952,768.30, 314,929,152.45 and 107,916,096.30 is: 161,874,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,768.30 : 314,929,152.45 = 107,916,096.30 : x
  2. Step 2: Convert to fraction form
    209,952,768.30/314,929,152.45 = 107,916,096.30/x
  3. Step 3: Cross multiply
    209,952,768.30x = 314,929,152.45 × 107,916,096.30
  4. Step 4: Simplify right side
    209,952,768.30x = 33,985,924,743,471,580
  5. Step 5: Solve for x
    x = 33,985,924,743,471,580/209,952,768.30
  6. Step 6: Final answer
    x = 161,874,144.45

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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.