Home / 146,628,195.60-219,623,428.80-89,019,991.20

Finding the Fourth Proportional to 146,628,195.60, 219,623,428.80 and 89,019,991.20

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Solution

The fourth proportional to 146,628,195.60, 219,623,428.80 and 89,019,991.20 is: 133,336,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,628,195.60 : 219,623,428.80 = 89,019,991.20 : x
  2. Step 2: Convert to fraction form
    146,628,195.60/219,623,428.80 = 89,019,991.20/x
  3. Step 3: Cross multiply
    146,628,195.60x = 219,623,428.80 × 89,019,991.20
  4. Step 4: Simplify right side
    146,628,195.60x = 19,550,875,699,089,828
  5. Step 5: Solve for x
    x = 19,550,875,699,089,828/146,628,195.60
  6. Step 6: Final answer
    x = 133,336,399.72

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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.