Home / 199,052,561.60-298,557,616.80-69,662,643.20

Finding the Fourth Proportional to 199,052,561.60, 298,557,616.80 and 69,662,643.20

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Solution

The fourth proportional to 199,052,561.60, 298,557,616.80 and 69,662,643.20 is: 104,486,536.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,052,561.60 : 298,557,616.80 = 69,662,643.20 : x
  2. Step 2: Convert to fraction form
    199,052,561.60/298,557,616.80 = 69,662,643.20/x
  3. Step 3: Cross multiply
    199,052,561.60x = 298,557,616.80 × 69,662,643.20
  4. Step 4: Simplify right side
    199,052,561.60x = 20,798,312,733,780,728
  5. Step 5: Solve for x
    x = 20,798,312,733,780,728/199,052,561.60
  6. Step 6: Final answer
    x = 104,486,536.45

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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.