Home / 74,292,318.56-111,438,329.34-19,710,375.14

Finding the Fourth Proportional to 74,292,318.56, 111,438,329.34 and 19,710,375.14

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Solution

The fourth proportional to 74,292,318.56, 111,438,329.34 and 19,710,375.14 is: 29,565,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,292,318.56 : 111,438,329.34 = 19,710,375.14 : x
  2. Step 2: Convert to fraction form
    74,292,318.56/111,438,329.34 = 19,710,375.14/x
  3. Step 3: Cross multiply
    74,292,318.56x = 111,438,329.34 × 19,710,375.14
  4. Step 4: Simplify right side
    74,292,318.56x = 2,196,491,276,266,268.75
  5. Step 5: Solve for x
    x = 2,196,491,276,266,268.75/74,292,318.56
  6. Step 6: Final answer
    x = 29,565,523.31

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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.