Home / 65,270,313.68-90,074,731.74-35,902,402.88

Finding the Fourth Proportional to 65,270,313.68, 90,074,731.74 and 35,902,402.88

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Solution

The fourth proportional to 65,270,313.68, 90,074,731.74 and 35,902,402.88 is: 49,546,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,270,313.68 : 90,074,731.74 = 35,902,402.88 : x
  2. Step 2: Convert to fraction form
    65,270,313.68/90,074,731.74 = 35,902,402.88/x
  3. Step 3: Cross multiply
    65,270,313.68x = 90,074,731.74 × 35,902,402.88
  4. Step 4: Simplify right side
    65,270,313.68x = 3,233,899,308,237,403.50
  5. Step 5: Solve for x
    x = 3,233,899,308,237,403.50/65,270,313.68
  6. Step 6: Final answer
    x = 49,546,250.45

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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.