Home / 101,192,151.80-139,645,191.35-54,782,787.08

Finding the Fourth Proportional to 101,192,151.80, 139,645,191.35 and 54,782,787.08

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Solution

The fourth proportional to 101,192,151.80, 139,645,191.35 and 54,782,787.08 is: 75,600,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,192,151.80 : 139,645,191.35 = 54,782,787.08 : x
  2. Step 2: Convert to fraction form
    101,192,151.80/139,645,191.35 = 54,782,787.08/x
  3. Step 3: Cross multiply
    101,192,151.80x = 139,645,191.35 × 54,782,787.08
  4. Step 4: Simplify right side
    101,192,151.80x = 7,650,152,784,958,978
  5. Step 5: Solve for x
    x = 7,650,152,784,958,978/101,192,151.80
  6. Step 6: Final answer
    x = 75,600,258.01

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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.