Home / 146,915,420.40-220,373,130.60-137,957,468.40

Finding the Fourth Proportional to 146,915,420.40, 220,373,130.60 and 137,957,468.40

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Solution

The fourth proportional to 146,915,420.40, 220,373,130.60 and 137,957,468.40 is: 206,936,202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,915,420.40 : 220,373,130.60 = 137,957,468.40 : x
  2. Step 2: Convert to fraction form
    146,915,420.40/220,373,130.60 = 137,957,468.40/x
  3. Step 3: Cross multiply
    146,915,420.40x = 220,373,130.60 × 137,957,468.40
  4. Step 4: Simplify right side
    146,915,420.40x = 30,402,119,200,958,572
  5. Step 5: Solve for x
    x = 30,402,119,200,958,572/146,915,420.40
  6. Step 6: Final answer
    x = 206,936,202.60

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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.