Home / 61,979,628,015.60-92,969,442,023.40-20,060,731,105.80

Finding the Fourth Proportional to 61,979,628,015.60, 92,969,442,023.40 and 20,060,731,105.80

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Solution

The fourth proportional to 61,979,628,015.60, 92,969,442,023.40 and 20,060,731,105.80 is: 30,091,096,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,979,628,015.60 : 92,969,442,023.40 = 20,060,731,105.80 : x
  2. Step 2: Convert to fraction form
    61,979,628,015.60/92,969,442,023.40 = 20,060,731,105.80/x
  3. Step 3: Cross multiply
    61,979,628,015.60x = 92,969,442,023.40 × 20,060,731,105.80
  4. Step 4: Simplify right side
    61,979,628,015.60x = 1,865,034,977,487,689,875,456
  5. Step 5: Solve for x
    x = 1,865,034,977,487,689,875,456/61,979,628,015.60
  6. Step 6: Final answer
    x = 30,091,096,658.70

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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.