Home / 217,526,158.73-300,189,929.11-118,409,755.03

Finding the Fourth Proportional to 217,526,158.73, 300,189,929.11 and 118,409,755.03

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Solution

The fourth proportional to 217,526,158.73, 300,189,929.11 and 118,409,755.03 is: 163,407,546.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,526,158.73 : 300,189,929.11 = 118,409,755.03 : x
  2. Step 2: Convert to fraction form
    217,526,158.73/300,189,929.11 = 118,409,755.03/x
  3. Step 3: Cross multiply
    217,526,158.73x = 300,189,929.11 × 118,409,755.03
  4. Step 4: Simplify right side
    217,526,158.73x = 35,545,415,967,341,668
  5. Step 5: Solve for x
    x = 35,545,415,967,341,668/217,526,158.73
  6. Step 6: Final answer
    x = 163,407,546.82

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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.