Home / 72,648,772.38-100,351,005.05-53,848,466.77

Finding the Fourth Proportional to 72,648,772.38, 100,351,005.05 and 53,848,466.77

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Solution

The fourth proportional to 72,648,772.38, 100,351,005.05 and 53,848,466.77 is: 74,381,817.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,648,772.38 : 100,351,005.05 = 53,848,466.77 : x
  2. Step 2: Convert to fraction form
    72,648,772.38/100,351,005.05 = 53,848,466.77/x
  3. Step 3: Cross multiply
    72,648,772.38x = 100,351,005.05 × 53,848,466.77
  4. Step 4: Simplify right side
    72,648,772.38x = 5,403,747,760,501,785
  5. Step 5: Solve for x
    x = 5,403,747,760,501,785/72,648,772.38
  6. Step 6: Final answer
    x = 74,381,817.94

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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.