Home / 193,626,940.16-290,526,178.76-101,488,781.12

Finding the Fourth Proportional to 193,626,940.16, 290,526,178.76 and 101,488,781.12

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Solution

The fourth proportional to 193,626,940.16, 290,526,178.76 and 101,488,781.12 is: 152,278,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,626,940.16 : 290,526,178.76 = 101,488,781.12 : x
  2. Step 2: Convert to fraction form
    193,626,940.16/290,526,178.76 = 101,488,781.12/x
  3. Step 3: Cross multiply
    193,626,940.16x = 290,526,178.76 × 101,488,781.12
  4. Step 4: Simplify right side
    193,626,940.16x = 29,485,147,765,803,632
  5. Step 5: Solve for x
    x = 29,485,147,765,803,632/193,626,940.16
  6. Step 6: Final answer
    x = 152,278,126.90

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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.