Home / 99,843,759.90-137,798,075.25-57,456,448.68

Finding the Fourth Proportional to 99,843,759.90, 137,798,075.25 and 57,456,448.68

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Solution

The fourth proportional to 99,843,759.90, 137,798,075.25 and 57,456,448.68 is: 79,297,775.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,843,759.90 : 137,798,075.25 = 57,456,448.68 : x
  2. Step 2: Convert to fraction form
    99,843,759.90/137,798,075.25 = 57,456,448.68/x
  3. Step 3: Cross multiply
    99,843,759.90x = 137,798,075.25 × 57,456,448.68
  4. Step 4: Simplify right side
    99,843,759.90x = 7,917,388,038,804,403
  5. Step 5: Solve for x
    x = 7,917,388,038,804,403/99,843,759.90
  6. Step 6: Final answer
    x = 79,297,775.31

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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.