Home / 72,593,208.72-100,147,150.44-43,208,064.36

Finding the Fourth Proportional to 72,593,208.72, 100,147,150.44 and 43,208,064.36

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Solution

The fourth proportional to 72,593,208.72, 100,147,150.44 and 43,208,064.36 is: 59,608,393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,593,208.72 : 100,147,150.44 = 43,208,064.36 : x
  2. Step 2: Convert to fraction form
    72,593,208.72/100,147,150.44 = 43,208,064.36/x
  3. Step 3: Cross multiply
    72,593,208.72x = 100,147,150.44 × 43,208,064.36
  4. Step 4: Simplify right side
    72,593,208.72x = 4,327,164,521,682,122
  5. Step 5: Solve for x
    x = 4,327,164,521,682,122/72,593,208.72
  6. Step 6: Final answer
    x = 59,608,393.10

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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.