Home / 65,719,313.76-98,627,405.04-31,175,823.60

Finding the Fourth Proportional to 65,719,313.76, 98,627,405.04 and 31,175,823.60

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Solution

The fourth proportional to 65,719,313.76, 98,627,405.04 and 31,175,823.60 is: 46,786,711.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,719,313.76 : 98,627,405.04 = 31,175,823.60 : x
  2. Step 2: Convert to fraction form
    65,719,313.76/98,627,405.04 = 31,175,823.60/x
  3. Step 3: Cross multiply
    65,719,313.76x = 98,627,405.04 × 31,175,823.60
  4. Step 4: Simplify right side
    65,719,313.76x = 3,074,790,581,652,791.50
  5. Step 5: Solve for x
    x = 3,074,790,581,652,791.50/65,719,313.76
  6. Step 6: Final answer
    x = 46,786,711.63

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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.