Home / 103,284,286.60-142,533,303.24-56,876,185.48

Finding the Fourth Proportional to 103,284,286.60, 142,533,303.24 and 56,876,185.48

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Solution

The fourth proportional to 103,284,286.60, 142,533,303.24 and 56,876,185.48 is: 78,489,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,284,286.60 : 142,533,303.24 = 56,876,185.48 : x
  2. Step 2: Convert to fraction form
    103,284,286.60/142,533,303.24 = 56,876,185.48/x
  3. Step 3: Cross multiply
    103,284,286.60x = 142,533,303.24 × 56,876,185.48
  4. Step 4: Simplify right side
    103,284,286.60x = 8,106,750,592,155,325
  5. Step 5: Solve for x
    x = 8,106,750,592,155,325/103,284,286.60
  6. Step 6: Final answer
    x = 78,489,679.88

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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.