Home / 89,006,912.80-133,533,988.80-31,493,186.80

Finding the Fourth Proportional to 89,006,912.80, 133,533,988.80 and 31,493,186.80

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Solution

The fourth proportional to 89,006,912.80, 133,533,988.80 and 31,493,186.80 is: 47,248,137.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,006,912.80 : 133,533,988.80 = 31,493,186.80 : x
  2. Step 2: Convert to fraction form
    89,006,912.80/133,533,988.80 = 31,493,186.80/x
  3. Step 3: Cross multiply
    89,006,912.80x = 133,533,988.80 × 31,493,186.80
  4. Step 4: Simplify right side
    89,006,912.80x = 4,205,410,853,427,508
  5. Step 5: Solve for x
    x = 4,205,410,853,427,508/89,006,912.80
  6. Step 6: Final answer
    x = 47,248,137.49

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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.