Home / 72,801,141.37-100,467,750.73-39,762,949.08

Finding the Fourth Proportional to 72,801,141.37, 100,467,750.73 and 39,762,949.08

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Solution

The fourth proportional to 72,801,141.37, 100,467,750.73 and 39,762,949.08 is: 54,874,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,801,141.37 : 100,467,750.73 = 39,762,949.08 : x
  2. Step 2: Convert to fraction form
    72,801,141.37/100,467,750.73 = 39,762,949.08/x
  3. Step 3: Cross multiply
    72,801,141.37x = 100,467,750.73 × 39,762,949.08
  4. Step 4: Simplify right side
    72,801,141.37x = 3,994,894,056,459,123
  5. Step 5: Solve for x
    x = 3,994,894,056,459,123/72,801,141.37
  6. Step 6: Final answer
    x = 54,874,058.03

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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.