Home / 65,008,378.24-89,711,540.36-35,639,080.74

Finding the Fourth Proportional to 65,008,378.24, 89,711,540.36 and 35,639,080.74

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Solution

The fourth proportional to 65,008,378.24, 89,711,540.36 and 35,639,080.74 is: 49,181,919.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,008,378.24 : 89,711,540.36 = 35,639,080.74 : x
  2. Step 2: Convert to fraction form
    65,008,378.24/89,711,540.36 = 35,639,080.74/x
  3. Step 3: Cross multiply
    65,008,378.24x = 89,711,540.36 × 35,639,080.74
  4. Step 4: Simplify right side
    65,008,378.24x = 3,197,236,830,199,809
  5. Step 5: Solve for x
    x = 3,197,236,830,199,809/65,008,378.24
  6. Step 6: Final answer
    x = 49,181,919.57

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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.