Home / 118,728,324.82-163,841,127.03-65,802,777.19

Finding the Fourth Proportional to 118,728,324.82, 163,841,127.03 and 65,802,777.19

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Solution

The fourth proportional to 118,728,324.82, 163,841,127.03 and 65,802,777.19 is: 90,805,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,728,324.82 : 163,841,127.03 = 65,802,777.19 : x
  2. Step 2: Convert to fraction form
    118,728,324.82/163,841,127.03 = 65,802,777.19/x
  3. Step 3: Cross multiply
    118,728,324.82x = 163,841,127.03 × 65,802,777.19
  4. Step 4: Simplify right side
    118,728,324.82x = 10,781,201,176,513,576
  5. Step 5: Solve for x
    x = 10,781,201,176,513,576/118,728,324.82
  6. Step 6: Final answer
    x = 90,805,637.10

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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.