Home / 85,106,159.92-127,475,876.94-57,661,876

Finding the Fourth Proportional to 85,106,159.92, 127,475,876.94 and 57,661,876

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Solution

The fourth proportional to 85,106,159.92, 127,475,876.94 and 57,661,876 is: 86,368,580.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,106,159.92 : 127,475,876.94 = 57,661,876 : x
  2. Step 2: Convert to fraction form
    85,106,159.92/127,475,876.94 = 57,661,876/x
  3. Step 3: Cross multiply
    85,106,159.92x = 127,475,876.94 × 57,661,876
  4. Step 4: Simplify right side
    85,106,159.92x = 7,350,498,209,105,539
  5. Step 5: Solve for x
    x = 7,350,498,209,105,539/85,106,159.92
  6. Step 6: Final answer
    x = 86,368,580.32

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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.