Home / 418,022,048.03-627,018,870.88-107,132,716.69

Finding the Fourth Proportional to 418,022,048.03, 627,018,870.88 and 107,132,716.69

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Solution

The fourth proportional to 418,022,048.03, 627,018,870.88 and 107,132,716.69 is: 160,695,435.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,022,048.03 : 627,018,870.88 = 107,132,716.69 : x
  2. Step 2: Convert to fraction form
    418,022,048.03/627,018,870.88 = 107,132,716.69/x
  3. Step 3: Cross multiply
    418,022,048.03x = 627,018,870.88 × 107,132,716.69
  4. Step 4: Simplify right side
    418,022,048.03x = 67,174,235,053,270,728
  5. Step 5: Solve for x
    x = 67,174,235,053,270,728/418,022,048.03
  6. Step 6: Final answer
    x = 160,695,435.49

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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.