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Finding the Fourth Proportional to 56,160,102.60, 78,850,891.80 and 56,160,102.60

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Solution

The fourth proportional to 56,160,102.60, 78,850,891.80 and 56,160,102.60 is: 78,850,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,160,102.60 : 78,850,891.80 = 56,160,102.60 : x
  2. Step 2: Convert to fraction form
    56,160,102.60/78,850,891.80 = 56,160,102.60/x
  3. Step 3: Cross multiply
    56,160,102.60x = 78,850,891.80 × 56,160,102.60
  4. Step 4: Simplify right side
    56,160,102.60x = 4,428,274,173,589,498.50
  5. Step 5: Solve for x
    x = 4,428,274,173,589,498.50/56,160,102.60
  6. Step 6: Final answer
    x = 78,850,891.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.