Home / 56,489,427.60-84,734,141.40-43,719,097.20

Finding the Fourth Proportional to 56,489,427.60, 84,734,141.40 and 43,719,097.20

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Solution

The fourth proportional to 56,489,427.60, 84,734,141.40 and 43,719,097.20 is: 65,578,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,489,427.60 : 84,734,141.40 = 43,719,097.20 : x
  2. Step 2: Convert to fraction form
    56,489,427.60/84,734,141.40 = 43,719,097.20/x
  3. Step 3: Cross multiply
    56,489,427.60x = 84,734,141.40 × 43,719,097.20
  4. Step 4: Simplify right side
    56,489,427.60x = 3,704,500,164,025,144.50
  5. Step 5: Solve for x
    x = 3,704,500,164,025,144.50/56,489,427.60
  6. Step 6: Final answer
    x = 65,578,645.80

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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.