Home / 87,263,631.03-120,424,623.11-48,106,809.03

Finding the Fourth Proportional to 87,263,631.03, 120,424,623.11 and 48,106,809.03

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Solution

The fourth proportional to 87,263,631.03, 120,424,623.11 and 48,106,809.03 is: 66,387,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,263,631.03 : 120,424,623.11 = 48,106,809.03 : x
  2. Step 2: Convert to fraction form
    87,263,631.03/120,424,623.11 = 48,106,809.03/x
  3. Step 3: Cross multiply
    87,263,631.03x = 120,424,623.11 × 48,106,809.03
  4. Step 4: Simplify right side
    87,263,631.03x = 5,793,244,346,221,961
  5. Step 5: Solve for x
    x = 5,793,244,346,221,961/87,263,631.03
  6. Step 6: Final answer
    x = 66,387,844.26

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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.