Home / 54,514,167.40-81,771,251.10-40,909,277.80

Finding the Fourth Proportional to 54,514,167.40, 81,771,251.10 and 40,909,277.80

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Solution

The fourth proportional to 54,514,167.40, 81,771,251.10 and 40,909,277.80 is: 61,363,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,514,167.40 : 81,771,251.10 = 40,909,277.80 : x
  2. Step 2: Convert to fraction form
    54,514,167.40/81,771,251.10 = 40,909,277.80/x
  3. Step 3: Cross multiply
    54,514,167.40x = 81,771,251.10 × 40,909,277.80
  4. Step 4: Simplify right side
    54,514,167.40x = 3,345,202,827,303,455
  5. Step 5: Solve for x
    x = 3,345,202,827,303,455/54,514,167.40
  6. Step 6: Final answer
    x = 61,363,916.70

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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.