Home / 116,855,789.75-161,265,738.08-64,643,925.23

Finding the Fourth Proportional to 116,855,789.75, 161,265,738.08 and 64,643,925.23

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Solution

The fourth proportional to 116,855,789.75, 161,265,738.08 and 64,643,925.23 is: 89,211,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,855,789.75 : 161,265,738.08 = 64,643,925.23 : x
  2. Step 2: Convert to fraction form
    116,855,789.75/161,265,738.08 = 64,643,925.23/x
  3. Step 3: Cross multiply
    116,855,789.75x = 161,265,738.08 × 64,643,925.23
  4. Step 4: Simplify right side
    116,855,789.75x = 10,424,850,314,604,284
  5. Step 5: Solve for x
    x = 10,424,850,314,604,284/116,855,789.75
  6. Step 6: Final answer
    x = 89,211,243.51

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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.