Home / 147,028,501.20-220,542,751.80-144,761,019.60

Finding the Fourth Proportional to 147,028,501.20, 220,542,751.80 and 144,761,019.60

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Solution

The fourth proportional to 147,028,501.20, 220,542,751.80 and 144,761,019.60 is: 217,141,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,028,501.20 : 220,542,751.80 = 144,761,019.60 : x
  2. Step 2: Convert to fraction form
    147,028,501.20/220,542,751.80 = 144,761,019.60/x
  3. Step 3: Cross multiply
    147,028,501.20x = 220,542,751.80 × 144,761,019.60
  4. Step 4: Simplify right side
    147,028,501.20x = 31,925,993,615,957,736
  5. Step 5: Solve for x
    x = 31,925,993,615,957,736/147,028,501.20
  6. Step 6: Final answer
    x = 217,141,529.40

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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.