Home / 65,900,949.03-90,924,902.64-51,918,904.49

Finding the Fourth Proportional to 65,900,949.03, 90,924,902.64 and 51,918,904.49

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Solution

The fourth proportional to 65,900,949.03, 90,924,902.64 and 51,918,904.49 is: 71,633,586.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,900,949.03 : 90,924,902.64 = 51,918,904.49 : x
  2. Step 2: Convert to fraction form
    65,900,949.03/90,924,902.64 = 51,918,904.49/x
  3. Step 3: Cross multiply
    65,900,949.03x = 90,924,902.64 × 51,918,904.49
  4. Step 4: Simplify right side
    65,900,949.03x = 4,720,721,335,474,084
  5. Step 5: Solve for x
    x = 4,720,721,335,474,084/65,900,949.03
  6. Step 6: Final answer
    x = 71,633,586.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.