Home / 76,806,539.73-115,209,926.24-31,368,334.23

Finding the Fourth Proportional to 76,806,539.73, 115,209,926.24 and 31,368,334.23

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Solution

The fourth proportional to 76,806,539.73, 115,209,926.24 and 31,368,334.23 is: 47,052,548.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,806,539.73 : 115,209,926.24 = 31,368,334.23 : x
  2. Step 2: Convert to fraction form
    76,806,539.73/115,209,926.24 = 31,368,334.23/x
  3. Step 3: Cross multiply
    76,806,539.73x = 115,209,926.24 × 31,368,334.23
  4. Step 4: Simplify right side
    76,806,539.73x = 3,613,943,472,753,125.50
  5. Step 5: Solve for x
    x = 3,613,943,472,753,125.50/76,806,539.73
  6. Step 6: Final answer
    x = 47,052,548.98

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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.