Home / 54,697,989.40-82,059,425.70-31,967,186.20

Finding the Fourth Proportional to 54,697,989.40, 82,059,425.70 and 31,967,186.20

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Solution

The fourth proportional to 54,697,989.40, 82,059,425.70 and 31,967,186.20 is: 47,958,050.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,697,989.40 : 82,059,425.70 = 31,967,186.20 : x
  2. Step 2: Convert to fraction form
    54,697,989.40/82,059,425.70 = 31,967,186.20/x
  3. Step 3: Cross multiply
    54,697,989.40x = 82,059,425.70 × 31,967,186.20
  4. Step 4: Simplify right side
    54,697,989.40x = 2,623,208,940,816,965.50
  5. Step 5: Solve for x
    x = 2,623,208,940,816,965.50/54,697,989.40
  6. Step 6: Final answer
    x = 47,958,050.55

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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.