Home / 86,653,319.76-119,581,334.64-47,494,975.38

Finding the Fourth Proportional to 86,653,319.76, 119,581,334.64 and 47,494,975.38

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Solution

The fourth proportional to 86,653,319.76, 119,581,334.64 and 47,494,975.38 is: 65,542,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,653,319.76 : 119,581,334.64 = 47,494,975.38 : x
  2. Step 2: Convert to fraction form
    86,653,319.76/119,581,334.64 = 47,494,975.38/x
  3. Step 3: Cross multiply
    86,653,319.76x = 119,581,334.64 × 47,494,975.38
  4. Step 4: Simplify right side
    86,653,319.76x = 5,679,512,544,634,342
  5. Step 5: Solve for x
    x = 5,679,512,544,634,342/86,653,319.76
  6. Step 6: Final answer
    x = 65,542,930.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.