Home / 65,248,138.14-90,048,168.63-35,884,644.54

Finding the Fourth Proportional to 65,248,138.14, 90,048,168.63 and 35,884,644.54

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Solution

The fourth proportional to 65,248,138.14, 90,048,168.63 and 35,884,644.54 is: 49,523,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,248,138.14 : 90,048,168.63 = 35,884,644.54 : x
  2. Step 2: Convert to fraction form
    65,248,138.14/90,048,168.63 = 35,884,644.54/x
  3. Step 3: Cross multiply
    65,248,138.14x = 90,048,168.63 × 35,884,644.54
  4. Step 4: Simplify right side
    65,248,138.14x = 3,231,346,522,765,528.50
  5. Step 5: Solve for x
    x = 3,231,346,522,765,528.50/65,248,138.14
  6. Step 6: Final answer
    x = 49,523,965.20

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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.