Home / 81,331,336.08-122,000,927.52-26,742,712.92

Finding the Fourth Proportional to 81,331,336.08, 122,000,927.52 and 26,742,712.92

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Solution

The fourth proportional to 81,331,336.08, 122,000,927.52 and 26,742,712.92 is: 40,115,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,331,336.08 : 122,000,927.52 = 26,742,712.92 : x
  2. Step 2: Convert to fraction form
    81,331,336.08/122,000,927.52 = 26,742,712.92/x
  3. Step 3: Cross multiply
    81,331,336.08x = 122,000,927.52 × 26,742,712.92
  4. Step 4: Simplify right side
    81,331,336.08x = 3,262,635,780,641,087.50
  5. Step 5: Solve for x
    x = 3,262,635,780,641,087.50/81,331,336.08
  6. Step 6: Final answer
    x = 40,115,359.44

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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.