Home / 80,248,509.81-110,776,843.92-54,178,339.86

Finding the Fourth Proportional to 80,248,509.81, 110,776,843.92 and 54,178,339.86

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Solution

The fourth proportional to 80,248,509.81, 110,776,843.92 and 54,178,339.86 is: 74,788,996.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,248,509.81 : 110,776,843.92 = 54,178,339.86 : x
  2. Step 2: Convert to fraction form
    80,248,509.81/110,776,843.92 = 54,178,339.86/x
  3. Step 3: Cross multiply
    80,248,509.81x = 110,776,843.92 × 54,178,339.86
  4. Step 4: Simplify right side
    80,248,509.81x = 6,001,705,498,515,935
  5. Step 5: Solve for x
    x = 6,001,705,498,515,935/80,248,509.81
  6. Step 6: Final answer
    x = 74,788,996.24

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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.