Home / 116,855,790.25-161,265,738.77-64,643,925.73

Finding the Fourth Proportional to 116,855,790.25, 161,265,738.77 and 64,643,925.73

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Solution

The fourth proportional to 116,855,790.25, 161,265,738.77 and 64,643,925.73 is: 89,211,244.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,855,790.25 : 161,265,738.77 = 64,643,925.73 : x
  2. Step 2: Convert to fraction form
    116,855,790.25/161,265,738.77 = 64,643,925.73/x
  3. Step 3: Cross multiply
    116,855,790.25x = 161,265,738.77 × 64,643,925.73
  4. Step 4: Simplify right side
    116,855,790.25x = 10,424,850,439,518,240
  5. Step 5: Solve for x
    x = 10,424,850,439,518,240/116,855,790.25
  6. Step 6: Final answer
    x = 89,211,244.19

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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.