Home / 73,387,138.80-110,080,708.20-39,374,914.80

Finding the Fourth Proportional to 73,387,138.80, 110,080,708.20 and 39,374,914.80

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Solution

The fourth proportional to 73,387,138.80, 110,080,708.20 and 39,374,914.80 is: 59,062,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,387,138.80 : 110,080,708.20 = 39,374,914.80 : x
  2. Step 2: Convert to fraction form
    73,387,138.80/110,080,708.20 = 39,374,914.80/x
  3. Step 3: Cross multiply
    73,387,138.80x = 110,080,708.20 × 39,374,914.80
  4. Step 4: Simplify right side
    73,387,138.80x = 4,334,418,506,498,661
  5. Step 5: Solve for x
    x = 4,334,418,506,498,661/73,387,138.80
  6. Step 6: Final answer
    x = 59,062,372.20

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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.