Home / 101,125,243.72-139,551,842.82-54,714,479.32

Finding the Fourth Proportional to 101,125,243.72, 139,551,842.82 and 54,714,479.32

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Solution

The fourth proportional to 101,125,243.72, 139,551,842.82 and 54,714,479.32 is: 75,505,443.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,125,243.72 : 139,551,842.82 = 54,714,479.32 : x
  2. Step 2: Convert to fraction form
    101,125,243.72/139,551,842.82 = 54,714,479.32/x
  3. Step 3: Cross multiply
    101,125,243.72x = 139,551,842.82 × 54,714,479.32
  4. Step 4: Simplify right side
    101,125,243.72x = 7,635,506,418,042,780
  5. Step 5: Solve for x
    x = 7,635,506,418,042,780/101,125,243.72
  6. Step 6: Final answer
    x = 75,505,443.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.