Home / 90,841,384.33-125,362,432.41-51,682,318.27

Finding the Fourth Proportional to 90,841,384.33, 125,362,432.41 and 51,682,318.27

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Solution

The fourth proportional to 90,841,384.33, 125,362,432.41 and 51,682,318.27 is: 71,322,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,841,384.33 : 125,362,432.41 = 51,682,318.27 : x
  2. Step 2: Convert to fraction form
    90,841,384.33/125,362,432.41 = 51,682,318.27/x
  3. Step 3: Cross multiply
    90,841,384.33x = 125,362,432.41 × 51,682,318.27
  4. Step 4: Simplify right side
    90,841,384.33x = 6,479,021,130,914,983
  5. Step 5: Solve for x
    x = 6,479,021,130,914,983/90,841,384.33
  6. Step 6: Final answer
    x = 71,322,351.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.