Home / 102,504,906,189.20-153,701,307,742.20-81,392,971,451.60

Finding the Fourth Proportional to 102,504,906,189.20, 153,701,307,742.20 and 81,392,971,451.60

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Solution

The fourth proportional to 102,504,906,189.20, 153,701,307,742.20 and 81,392,971,451.60 is: 122,044,950,024.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,504,906,189.20 : 153,701,307,742.20 = 81,392,971,451.60 : x
  2. Step 2: Convert to fraction form
    102,504,906,189.20/153,701,307,742.20 = 81,392,971,451.60/x
  3. Step 3: Cross multiply
    102,504,906,189.20x = 153,701,307,742.20 × 81,392,971,451.60
  4. Step 4: Simplify right side
    102,504,906,189.20x = 12,510,206,153,134,471,905,280
  5. Step 5: Solve for x
    x = 12,510,206,153,134,471,905,280/102,504,906,189.20
  6. Step 6: Final answer
    x = 122,044,950,024.57

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1.5x scale

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.