Home / 56,171,004.56-77,515,967.40-30,416,892.56

Finding the Fourth Proportional to 56,171,004.56, 77,515,967.40 and 30,416,892.56

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Solution

The fourth proportional to 56,171,004.56, 77,515,967.40 and 30,416,892.56 is: 41,975,301.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,171,004.56 : 77,515,967.40 = 30,416,892.56 : x
  2. Step 2: Convert to fraction form
    56,171,004.56/77,515,967.40 = 30,416,892.56/x
  3. Step 3: Cross multiply
    56,171,004.56x = 77,515,967.40 × 30,416,892.56
  4. Step 4: Simplify right side
    56,171,004.56x = 2,357,794,852,090,262.50
  5. Step 5: Solve for x
    x = 2,357,794,852,090,262.50/56,171,004.56
  6. Step 6: Final answer
    x = 41,975,301.50

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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.