Home / 98,906,260.78-136,472,592.57-57,075,065.47

Finding the Fourth Proportional to 98,906,260.78, 136,472,592.57 and 57,075,065.47

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Solution

The fourth proportional to 98,906,260.78, 136,472,592.57 and 57,075,065.47 is: 78,753,175.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,906,260.78 : 136,472,592.57 = 57,075,065.47 : x
  2. Step 2: Convert to fraction form
    98,906,260.78/136,472,592.57 = 57,075,065.47/x
  3. Step 3: Cross multiply
    98,906,260.78x = 136,472,592.57 × 57,075,065.47
  4. Step 4: Simplify right side
    98,906,260.78x = 7,789,182,155,508,010
  5. Step 5: Solve for x
    x = 7,789,182,155,508,010/98,906,260.78
  6. Step 6: Final answer
    x = 78,753,175.93

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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.