Home / 69,914,827.32-104,867,848.60-21,388,825.68

Finding the Fourth Proportional to 69,914,827.32, 104,867,848.60 and 21,388,825.68

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Solution

The fourth proportional to 69,914,827.32, 104,867,848.60 and 21,388,825.68 is: 32,081,894.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,914,827.32 : 104,867,848.60 = 21,388,825.68 : x
  2. Step 2: Convert to fraction form
    69,914,827.32/104,867,848.60 = 21,388,825.68/x
  3. Step 3: Cross multiply
    69,914,827.32x = 104,867,848.60 × 21,388,825.68
  4. Step 4: Simplify right side
    69,914,827.32x = 2,243,000,132,695,305.50
  5. Step 5: Solve for x
    x = 2,243,000,132,695,305.50/69,914,827.32
  6. Step 6: Final answer
    x = 32,081,894.77

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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.