Home / 48,740,381.78-67,292,309.73-31,366,920.02

Finding the Fourth Proportional to 48,740,381.78, 67,292,309.73 and 31,366,920.02

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Solution

The fourth proportional to 48,740,381.78, 67,292,309.73 and 31,366,920.02 is: 43,306,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,740,381.78 : 67,292,309.73 = 31,366,920.02 : x
  2. Step 2: Convert to fraction form
    48,740,381.78/67,292,309.73 = 31,366,920.02/x
  3. Step 3: Cross multiply
    48,740,381.78x = 67,292,309.73 × 31,366,920.02
  4. Step 4: Simplify right side
    48,740,381.78x = 2,110,752,497,261,978
  5. Step 5: Solve for x
    x = 2,110,752,497,261,978/48,740,381.78
  6. Step 6: Final answer
    x = 43,306,031.27

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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.