Home / 146,700,912.60-219,911,400.90-54,559,978.20

Finding the Fourth Proportional to 146,700,912.60, 219,911,400.90 and 54,559,978.20

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Solution

The fourth proportional to 146,700,912.60, 219,911,400.90 and 54,559,978.20 is: 81,787,911.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,700,912.60 : 219,911,400.90 = 54,559,978.20 : x
  2. Step 2: Convert to fraction form
    146,700,912.60/219,911,400.90 = 54,559,978.20/x
  3. Step 3: Cross multiply
    146,700,912.60x = 219,911,400.90 × 54,559,978.20
  4. Step 4: Simplify right side
    146,700,912.60x = 11,998,361,239,035,462
  5. Step 5: Solve for x
    x = 11,998,361,239,035,462/146,700,912.60
  6. Step 6: Final answer
    x = 81,787,911.38

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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.