Home / 168,022,643.40-252,033,965.10-98,864,454.60

Finding the Fourth Proportional to 168,022,643.40, 252,033,965.10 and 98,864,454.60

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Solution

The fourth proportional to 168,022,643.40, 252,033,965.10 and 98,864,454.60 is: 148,296,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,022,643.40 : 252,033,965.10 = 98,864,454.60 : x
  2. Step 2: Convert to fraction form
    168,022,643.40/252,033,965.10 = 98,864,454.60/x
  3. Step 3: Cross multiply
    168,022,643.40x = 252,033,965.10 × 98,864,454.60
  4. Step 4: Simplify right side
    168,022,643.40x = 24,917,200,500,286,932
  5. Step 5: Solve for x
    x = 24,917,200,500,286,932/168,022,643.40
  6. Step 6: Final answer
    x = 148,296,681.90

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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.