Home / 54,575,733.20-81,863,599.80-47,857,269.20

Finding the Fourth Proportional to 54,575,733.20, 81,863,599.80 and 47,857,269.20

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Solution

The fourth proportional to 54,575,733.20, 81,863,599.80 and 47,857,269.20 is: 71,785,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,575,733.20 : 81,863,599.80 = 47,857,269.20 : x
  2. Step 2: Convert to fraction form
    54,575,733.20/81,863,599.80 = 47,857,269.20/x
  3. Step 3: Cross multiply
    54,575,733.20x = 81,863,599.80 × 47,857,269.20
  4. Step 4: Simplify right side
    54,575,733.20x = 3,917,768,333,309,666.50
  5. Step 5: Solve for x
    x = 3,917,768,333,309,666.50/54,575,733.20
  6. Step 6: Final answer
    x = 71,785,903.80

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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.