Home / 65,619,921.42-98,407,088.12-36,518,170.94

Finding the Fourth Proportional to 65,619,921.42, 98,407,088.12 and 36,518,170.94

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Solution

The fourth proportional to 65,619,921.42, 98,407,088.12 and 36,518,170.94 is: 54,764,571.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,619,921.42 : 98,407,088.12 = 36,518,170.94 : x
  2. Step 2: Convert to fraction form
    65,619,921.42/98,407,088.12 = 36,518,170.94/x
  3. Step 3: Cross multiply
    65,619,921.42x = 98,407,088.12 × 36,518,170.94
  4. Step 4: Simplify right side
    65,619,921.42x = 3,593,646,865,673,803
  5. Step 5: Solve for x
    x = 3,593,646,865,673,803/65,619,921.42
  6. Step 6: Final answer
    x = 54,764,571.31

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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.