Home / 319,702,885.64-479,745,644.52-137,950,063.64

Finding the Fourth Proportional to 319,702,885.64, 479,745,644.52 and 137,950,063.64

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Solution

The fourth proportional to 319,702,885.64, 479,745,644.52 and 137,950,063.64 is: 207,007,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,702,885.64 : 479,745,644.52 = 137,950,063.64 : x
  2. Step 2: Convert to fraction form
    319,702,885.64/479,745,644.52 = 137,950,063.64/x
  3. Step 3: Cross multiply
    319,702,885.64x = 479,745,644.52 × 137,950,063.64
  4. Step 4: Simplify right side
    319,702,885.64x = 66,180,942,192,546,808
  5. Step 5: Solve for x
    x = 66,180,942,192,546,808/319,702,885.64
  6. Step 6: Final answer
    x = 207,007,647.30

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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.