Home / 86,837,817.38-119,837,901.87-47,679,251.60

Finding the Fourth Proportional to 86,837,817.38, 119,837,901.87 and 47,679,251.60

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Solution

The fourth proportional to 86,837,817.38, 119,837,901.87 and 47,679,251.60 is: 65,798,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,837,817.38 : 119,837,901.87 = 47,679,251.60 : x
  2. Step 2: Convert to fraction form
    86,837,817.38/119,837,901.87 = 47,679,251.60/x
  3. Step 3: Cross multiply
    86,837,817.38x = 119,837,901.87 × 47,679,251.60
  4. Step 4: Simplify right side
    86,837,817.38x = 5,713,781,474,775,435
  5. Step 5: Solve for x
    x = 5,713,781,474,775,435/86,837,817.38
  6. Step 6: Final answer
    x = 65,798,308.24

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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.