Home / 54,443,638.80-81,663,345.60-13,503,180.24

Finding the Fourth Proportional to 54,443,638.80, 81,663,345.60 and 13,503,180.24

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Solution

The fourth proportional to 54,443,638.80, 81,663,345.60 and 13,503,180.24 is: 20,254,246.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,443,638.80 : 81,663,345.60 = 13,503,180.24 : x
  2. Step 2: Convert to fraction form
    54,443,638.80/81,663,345.60 = 13,503,180.24/x
  3. Step 3: Cross multiply
    54,443,638.80x = 81,663,345.60 × 13,503,180.24
  4. Step 4: Simplify right side
    54,443,638.80x = 1,102,714,874,638,210.88
  5. Step 5: Solve for x
    x = 1,102,714,874,638,210.88/54,443,638.80
  6. Step 6: Final answer
    x = 20,254,246.39

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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.