Home / 257,795,876.66-386,690,028.71-63,707,286.62

Finding the Fourth Proportional to 257,795,876.66, 386,690,028.71 and 63,707,286.62

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Solution

The fourth proportional to 257,795,876.66, 386,690,028.71 and 63,707,286.62 is: 95,559,994.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,795,876.66 : 386,690,028.71 = 63,707,286.62 : x
  2. Step 2: Convert to fraction form
    257,795,876.66/386,690,028.71 = 63,707,286.62/x
  3. Step 3: Cross multiply
    257,795,876.66x = 386,690,028.71 × 63,707,286.62
  4. Step 4: Simplify right side
    257,795,876.66x = 24,634,972,492,772,188
  5. Step 5: Solve for x
    x = 24,634,972,492,772,188/257,795,876.66
  6. Step 6: Final answer
    x = 95,559,994.26

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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.