Home / 55,519,887.77-76,619,839.46-30,740,075.15

Finding the Fourth Proportional to 55,519,887.77, 76,619,839.46 and 30,740,075.15

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Solution

The fourth proportional to 55,519,887.77, 76,619,839.46 and 30,740,075.15 is: 42,422,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,519,887.77 : 76,619,839.46 = 30,740,075.15 : x
  2. Step 2: Convert to fraction form
    55,519,887.77/76,619,839.46 = 30,740,075.15/x
  3. Step 3: Cross multiply
    55,519,887.77x = 76,619,839.46 × 30,740,075.15
  4. Step 4: Simplify right side
    55,519,887.77x = 2,355,299,622,981,335
  5. Step 5: Solve for x
    x = 2,355,299,622,981,335/55,519,887.77
  6. Step 6: Final answer
    x = 42,422,629.40

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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.