Home / 193,692,407.25-290,508,661.80-70,841,996.04

Finding the Fourth Proportional to 193,692,407.25, 290,508,661.80 and 70,841,996.04

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Solution

The fourth proportional to 193,692,407.25, 290,508,661.80 and 70,841,996.04 is: 106,252,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,692,407.25 : 290,508,661.80 = 70,841,996.04 : x
  2. Step 2: Convert to fraction form
    193,692,407.25/290,508,661.80 = 70,841,996.04/x
  3. Step 3: Cross multiply
    193,692,407.25x = 290,508,661.80 × 70,841,996.04
  4. Step 4: Simplify right side
    193,692,407.25x = 20,580,213,468,821,304
  5. Step 5: Solve for x
    x = 20,580,213,468,821,304/193,692,407.25
  6. Step 6: Final answer
    x = 106,252,040.34

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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.