Home / 65,416,144.05-90,274,884.35-36,048,527.58

Finding the Fourth Proportional to 65,416,144.05, 90,274,884.35 and 36,048,527.58

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Solution

The fourth proportional to 65,416,144.05, 90,274,884.35 and 36,048,527.58 is: 49,747,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,416,144.05 : 90,274,884.35 = 36,048,527.58 : x
  2. Step 2: Convert to fraction form
    65,416,144.05/90,274,884.35 = 36,048,527.58/x
  3. Step 3: Cross multiply
    65,416,144.05x = 90,274,884.35 × 36,048,527.58
  4. Step 4: Simplify right side
    65,416,144.05x = 3,254,276,658,430,573.50
  5. Step 5: Solve for x
    x = 3,254,276,658,430,573.50/65,416,144.05
  6. Step 6: Final answer
    x = 49,747,301.77

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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.