Home / 72,475,107.06-100,019,786.16-41,540,429.46

Finding the Fourth Proportional to 72,475,107.06, 100,019,786.16 and 41,540,429.46

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Solution

The fourth proportional to 72,475,107.06, 100,019,786.16 and 41,540,429.46 is: 57,328,164.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,475,107.06 : 100,019,786.16 = 41,540,429.46 : x
  2. Step 2: Convert to fraction form
    72,475,107.06/100,019,786.16 = 41,540,429.46/x
  3. Step 3: Cross multiply
    72,475,107.06x = 100,019,786.16 × 41,540,429.46
  4. Step 4: Simplify right side
    72,475,107.06x = 4,154,864,871,583,764
  5. Step 5: Solve for x
    x = 4,154,864,871,583,764/72,475,107.06
  6. Step 6: Final answer
    x = 57,328,164.66

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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.