Home / 85,092,172.08-127,541,436.68-51,781,918.92

Finding the Fourth Proportional to 85,092,172.08, 127,541,436.68 and 51,781,918.92

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Solution

The fourth proportional to 85,092,172.08, 127,541,436.68 and 51,781,918.92 is: 77,613,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,092,172.08 : 127,541,436.68 = 51,781,918.92 : x
  2. Step 2: Convert to fraction form
    85,092,172.08/127,541,436.68 = 51,781,918.92/x
  3. Step 3: Cross multiply
    85,092,172.08x = 127,541,436.68 × 51,781,918.92
  4. Step 4: Simplify right side
    85,092,172.08x = 6,604,340,333,104,075
  5. Step 5: Solve for x
    x = 6,604,340,333,104,075/85,092,172.08
  6. Step 6: Final answer
    x = 77,613,958.74

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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.