Home / 54,441,623.20-81,662,434.80-47,051,312.80

Finding the Fourth Proportional to 54,441,623.20, 81,662,434.80 and 47,051,312.80

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Solution

The fourth proportional to 54,441,623.20, 81,662,434.80 and 47,051,312.80 is: 70,576,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,441,623.20 : 81,662,434.80 = 47,051,312.80 : x
  2. Step 2: Convert to fraction form
    54,441,623.20/81,662,434.80 = 47,051,312.80/x
  3. Step 3: Cross multiply
    54,441,623.20x = 81,662,434.80 × 47,051,312.80
  4. Step 4: Simplify right side
    54,441,623.20x = 3,842,324,763,784,405
  5. Step 5: Solve for x
    x = 3,842,324,763,784,405/54,441,623.20
  6. Step 6: Final answer
    x = 70,576,969.20

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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.