Home / 145,627,618.20-218,441,427.30-134,542,152.60

Finding the Fourth Proportional to 145,627,618.20, 218,441,427.30 and 134,542,152.60

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Solution

The fourth proportional to 145,627,618.20, 218,441,427.30 and 134,542,152.60 is: 201,813,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,627,618.20 : 218,441,427.30 = 134,542,152.60 : x
  2. Step 2: Convert to fraction form
    145,627,618.20/218,441,427.30 = 134,542,152.60/x
  3. Step 3: Cross multiply
    145,627,618.20x = 218,441,427.30 × 134,542,152.60
  4. Step 4: Simplify right side
    145,627,618.20x = 29,389,579,845,958,408
  5. Step 5: Solve for x
    x = 29,389,579,845,958,408/145,627,618.20
  6. Step 6: Final answer
    x = 201,813,228.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.