Home / 98,906,261.78-136,472,593.94-57,075,066.48

Finding the Fourth Proportional to 98,906,261.78, 136,472,593.94 and 57,075,066.48

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Solution

The fourth proportional to 98,906,261.78, 136,472,593.94 and 57,075,066.48 is: 78,753,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,906,261.78 : 136,472,593.94 = 57,075,066.48 : x
  2. Step 2: Convert to fraction form
    98,906,261.78/136,472,593.94 = 57,075,066.48/x
  3. Step 3: Cross multiply
    98,906,261.78x = 136,472,593.94 × 57,075,066.48
  4. Step 4: Simplify right side
    98,906,261.78x = 7,789,182,371,823,545
  5. Step 5: Solve for x
    x = 7,789,182,371,823,545/98,906,261.78
  6. Step 6: Final answer
    x = 78,753,177.32

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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.