Home / 54,480,167.92-81,721,763.28-13,537,953.28

Finding the Fourth Proportional to 54,480,167.92, 81,721,763.28 and 13,537,953.28

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Solution

The fourth proportional to 54,480,167.92, 81,721,763.28 and 13,537,953.28 is: 20,307,305.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,480,167.92 : 81,721,763.28 = 13,537,953.28 : x
  2. Step 2: Convert to fraction form
    54,480,167.92/81,721,763.28 = 13,537,953.28/x
  3. Step 3: Cross multiply
    54,480,167.92x = 81,721,763.28 × 13,537,953.28
  4. Step 4: Simplify right side
    54,480,167.92x = 1,106,345,413,243,859.50
  5. Step 5: Solve for x
    x = 1,106,345,413,243,859.50/54,480,167.92
  6. Step 6: Final answer
    x = 20,307,305.49

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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.