Home / 76,806,460.94-115,209,808.28-31,368,255.44

Finding the Fourth Proportional to 76,806,460.94, 115,209,808.28 and 31,368,255.44

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Solution

The fourth proportional to 76,806,460.94, 115,209,808.28 and 31,368,255.44 is: 47,052,430.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,806,460.94 : 115,209,808.28 = 31,368,255.44 : x
  2. Step 2: Convert to fraction form
    76,806,460.94/115,209,808.28 = 31,368,255.44/x
  3. Step 3: Cross multiply
    76,806,460.94x = 115,209,808.28 × 31,368,255.44
  4. Step 4: Simplify right side
    76,806,460.94x = 3,613,930,695,313,534
  5. Step 5: Solve for x
    x = 3,613,930,695,313,534/76,806,460.94
  6. Step 6: Final answer
    x = 47,052,430.89

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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.