Home / 77,981,410.36-116,889,171.54-29,438,641.72

Finding the Fourth Proportional to 77,981,410.36, 116,889,171.54 and 29,438,641.72

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Solution

The fourth proportional to 77,981,410.36, 116,889,171.54 and 29,438,641.72 is: 44,126,650.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,981,410.36 : 116,889,171.54 = 29,438,641.72 : x
  2. Step 2: Convert to fraction form
    77,981,410.36/116,889,171.54 = 29,438,641.72/x
  3. Step 3: Cross multiply
    77,981,410.36x = 116,889,171.54 × 29,438,641.72
  4. Step 4: Simplify right side
    77,981,410.36x = 3,441,058,441,913,680.50
  5. Step 5: Solve for x
    x = 3,441,058,441,913,680.50/77,981,410.36
  6. Step 6: Final answer
    x = 44,126,650.52

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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.