Home / 146,824,738.60-220,237,107.90-128,118,015.40

Finding the Fourth Proportional to 146,824,738.60, 220,237,107.90 and 128,118,015.40

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Solution

The fourth proportional to 146,824,738.60, 220,237,107.90 and 128,118,015.40 is: 192,177,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,824,738.60 : 220,237,107.90 = 128,118,015.40 : x
  2. Step 2: Convert to fraction form
    146,824,738.60/220,237,107.90 = 128,118,015.40/x
  3. Step 3: Cross multiply
    146,824,738.60x = 220,237,107.90 × 128,118,015.40
  4. Step 4: Simplify right side
    146,824,738.60x = 28,216,341,181,583,664
  5. Step 5: Solve for x
    x = 28,216,341,181,583,664/146,824,738.60
  6. Step 6: Final answer
    x = 192,177,023.10

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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.