Home / 89,063,640.80-133,595,461.20-53,231,832.80

Finding the Fourth Proportional to 89,063,640.80, 133,595,461.20 and 53,231,832.80

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Solution

The fourth proportional to 89,063,640.80, 133,595,461.20 and 53,231,832.80 is: 79,847,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,063,640.80 : 133,595,461.20 = 53,231,832.80 : x
  2. Step 2: Convert to fraction form
    89,063,640.80/133,595,461.20 = 53,231,832.80/x
  3. Step 3: Cross multiply
    89,063,640.80x = 133,595,461.20 × 53,231,832.80
  4. Step 4: Simplify right side
    89,063,640.80x = 7,111,531,253,437,287
  5. Step 5: Solve for x
    x = 7,111,531,253,437,287/89,063,640.80
  6. Step 6: Final answer
    x = 79,847,749.20

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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.