Home / 47,372,717.36-65,338,353.03-40,768,289.92

Finding the Fourth Proportional to 47,372,717.36, 65,338,353.03 and 40,768,289.92

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Solution

The fourth proportional to 47,372,717.36, 65,338,353.03 and 40,768,289.92 is: 56,229,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,372,717.36 : 65,338,353.03 = 40,768,289.92 : x
  2. Step 2: Convert to fraction form
    47,372,717.36/65,338,353.03 = 40,768,289.92/x
  3. Step 3: Cross multiply
    47,372,717.36x = 65,338,353.03 × 40,768,289.92
  4. Step 4: Simplify right side
    47,372,717.36x = 2,663,732,919,456,904.50
  5. Step 5: Solve for x
    x = 2,663,732,919,456,904.50/47,372,717.36
  6. Step 6: Final answer
    x = 56,229,261.65

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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.