Home / 235,232,732.28-324,573,600.78-137,428,692.60

Finding the Fourth Proportional to 235,232,732.28, 324,573,600.78 and 137,428,692.60

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Solution

The fourth proportional to 235,232,732.28, 324,573,600.78 and 137,428,692.60 is: 189,623,804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,232,732.28 : 324,573,600.78 = 137,428,692.60 : x
  2. Step 2: Convert to fraction form
    235,232,732.28/324,573,600.78 = 137,428,692.60/x
  3. Step 3: Cross multiply
    235,232,732.28x = 324,573,600.78 × 137,428,692.60
  4. Step 4: Simplify right side
    235,232,732.28x = 44,605,725,607,669,736
  5. Step 5: Solve for x
    x = 44,605,725,607,669,736/235,232,732.28
  6. Step 6: Final answer
    x = 189,623,804.37

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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.