Home / 116,855,788-161,265,735.66-64,643,923.48

Finding the Fourth Proportional to 116,855,788, 161,265,735.66 and 64,643,923.48

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Solution

The fourth proportional to 116,855,788, 161,265,735.66 and 64,643,923.48 is: 89,211,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,855,788 : 161,265,735.66 = 64,643,923.48 : x
  2. Step 2: Convert to fraction form
    116,855,788/161,265,735.66 = 64,643,923.48/x
  3. Step 3: Cross multiply
    116,855,788x = 161,265,735.66 × 64,643,923.48
  4. Step 4: Simplify right side
    116,855,788x = 10,424,849,875,950,946
  5. Step 5: Solve for x
    x = 10,424,849,875,950,946/116,855,788
  6. Step 6: Final answer
    x = 89,211,241.09

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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.