Home / 217,526,159.73-300,189,930.49-118,409,756.03

Finding the Fourth Proportional to 217,526,159.73, 300,189,930.49 and 118,409,756.03

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Solution

The fourth proportional to 217,526,159.73, 300,189,930.49 and 118,409,756.03 is: 163,407,548.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,526,159.73 : 300,189,930.49 = 118,409,756.03 : x
  2. Step 2: Convert to fraction form
    217,526,159.73/300,189,930.49 = 118,409,756.03/x
  3. Step 3: Cross multiply
    217,526,159.73x = 300,189,930.49 × 118,409,756.03
  4. Step 4: Simplify right side
    217,526,159.73x = 35,545,416,431,983,560
  5. Step 5: Solve for x
    x = 35,545,416,431,983,560/217,526,159.73
  6. Step 6: Final answer
    x = 163,407,548.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.