Home / 65,611,643.20-98,417,464.80-35,378,555.20

Finding the Fourth Proportional to 65,611,643.20, 98,417,464.80 and 35,378,555.20

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Solution

The fourth proportional to 65,611,643.20, 98,417,464.80 and 35,378,555.20 is: 53,067,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,611,643.20 : 98,417,464.80 = 35,378,555.20 : x
  2. Step 2: Convert to fraction form
    65,611,643.20/98,417,464.80 = 35,378,555.20/x
  3. Step 3: Cross multiply
    65,611,643.20x = 98,417,464.80 × 35,378,555.20
  4. Step 4: Simplify right side
    65,611,643.20x = 3,481,867,711,070,857
  5. Step 5: Solve for x
    x = 3,481,867,711,070,857/65,611,643.20
  6. Step 6: Final answer
    x = 53,067,832.80

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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.