Home / 149,202,003.90-223,803,005.85-136,287,987.60

Finding the Fourth Proportional to 149,202,003.90, 223,803,005.85 and 136,287,987.60

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Solution

The fourth proportional to 149,202,003.90, 223,803,005.85 and 136,287,987.60 is: 204,431,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,202,003.90 : 223,803,005.85 = 136,287,987.60 : x
  2. Step 2: Convert to fraction form
    149,202,003.90/223,803,005.85 = 136,287,987.60/x
  3. Step 3: Cross multiply
    149,202,003.90x = 223,803,005.85 × 136,287,987.60
  4. Step 4: Simplify right side
    149,202,003.90x = 30,501,661,286,127,524
  5. Step 5: Solve for x
    x = 30,501,661,286,127,524/149,202,003.90
  6. Step 6: Final answer
    x = 204,431,981.40

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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.