Home / 54,440,999.20-81,661,498.80-47,050,688.80

Finding the Fourth Proportional to 54,440,999.20, 81,661,498.80 and 47,050,688.80

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Solution

The fourth proportional to 54,440,999.20, 81,661,498.80 and 47,050,688.80 is: 70,576,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,440,999.20 : 81,661,498.80 = 47,050,688.80 : x
  2. Step 2: Convert to fraction form
    54,440,999.20/81,661,498.80 = 47,050,688.80/x
  3. Step 3: Cross multiply
    54,440,999.20x = 81,661,498.80 × 47,050,688.80
  4. Step 4: Simplify right side
    54,440,999.20x = 3,842,229,766,980,373
  5. Step 5: Solve for x
    x = 3,842,229,766,980,373/54,440,999.20
  6. Step 6: Final answer
    x = 70,576,033.20

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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.