Home / 81,493,792.60-122,246,593.80-49,075,891.60

Finding the Fourth Proportional to 81,493,792.60, 122,246,593.80 and 49,075,891.60

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Solution

The fourth proportional to 81,493,792.60, 122,246,593.80 and 49,075,891.60 is: 73,617,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,493,792.60 : 122,246,593.80 = 49,075,891.60 : x
  2. Step 2: Convert to fraction form
    81,493,792.60/122,246,593.80 = 49,075,891.60/x
  3. Step 3: Cross multiply
    81,493,792.60x = 122,246,593.80 × 49,075,891.60
  4. Step 4: Simplify right side
    81,493,792.60x = 5,999,360,585,798,032
  5. Step 5: Solve for x
    x = 5,999,360,585,798,032/81,493,792.60
  6. Step 6: Final answer
    x = 73,617,393.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.