Home / 131,084,613.20-196,626,919.80-49,203,333.20

Finding the Fourth Proportional to 131,084,613.20, 196,626,919.80 and 49,203,333.20

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Solution

The fourth proportional to 131,084,613.20, 196,626,919.80 and 49,203,333.20 is: 73,804,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,084,613.20 : 196,626,919.80 = 49,203,333.20 : x
  2. Step 2: Convert to fraction form
    131,084,613.20/196,626,919.80 = 49,203,333.20/x
  3. Step 3: Cross multiply
    131,084,613.20x = 196,626,919.80 × 49,203,333.20
  4. Step 4: Simplify right side
    131,084,613.20x = 9,674,699,851,009,078
  5. Step 5: Solve for x
    x = 9,674,699,851,009,078/131,084,613.20
  6. Step 6: Final answer
    x = 73,804,999.80

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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.