Home / 144,922,863.70-217,309,828.20-42,673,615.30

Finding the Fourth Proportional to 144,922,863.70, 217,309,828.20 and 42,673,615.30

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Solution

The fourth proportional to 144,922,863.70, 217,309,828.20 and 42,673,615.30 is: 63,988,495.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,922,863.70 : 217,309,828.20 = 42,673,615.30 : x
  2. Step 2: Convert to fraction form
    144,922,863.70/217,309,828.20 = 42,673,615.30/x
  3. Step 3: Cross multiply
    144,922,863.70x = 217,309,828.20 × 42,673,615.30
  4. Step 4: Simplify right side
    144,922,863.70x = 9,273,396,009,515,890
  5. Step 5: Solve for x
    x = 9,273,396,009,515,890/144,922,863.70
  6. Step 6: Final answer
    x = 63,988,495.48

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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.