Home / 54,055,175.94-81,048,400.47-45,860,642.64

Finding the Fourth Proportional to 54,055,175.94, 81,048,400.47 and 45,860,642.64

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Solution

The fourth proportional to 54,055,175.94, 81,048,400.47 and 45,860,642.64 is: 68,761,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,055,175.94 : 81,048,400.47 = 45,860,642.64 : x
  2. Step 2: Convert to fraction form
    54,055,175.94/81,048,400.47 = 45,860,642.64/x
  3. Step 3: Cross multiply
    54,055,175.94x = 81,048,400.47 × 45,860,642.64
  4. Step 4: Simplify right side
    54,055,175.94x = 3,716,931,730,498,278
  5. Step 5: Solve for x
    x = 3,716,931,730,498,278/54,055,175.94
  6. Step 6: Final answer
    x = 68,761,809.87

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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.