Home / 207,932,937.60-311,899,406.40-54,594,494.40

Finding the Fourth Proportional to 207,932,937.60, 311,899,406.40 and 54,594,494.40

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Solution

The fourth proportional to 207,932,937.60, 311,899,406.40 and 54,594,494.40 is: 81,891,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,932,937.60 : 311,899,406.40 = 54,594,494.40 : x
  2. Step 2: Convert to fraction form
    207,932,937.60/311,899,406.40 = 54,594,494.40/x
  3. Step 3: Cross multiply
    207,932,937.60x = 311,899,406.40 × 54,594,494.40
  4. Step 4: Simplify right side
    207,932,937.60x = 17,027,990,396,068,122
  5. Step 5: Solve for x
    x = 17,027,990,396,068,122/207,932,937.60
  6. Step 6: Final answer
    x = 81,891,741.60

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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.