Home / 114,040,268.64-157,378,891.12-64,479,578.40

Finding the Fourth Proportional to 114,040,268.64, 157,378,891.12 and 64,479,578.40

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Solution

The fourth proportional to 114,040,268.64, 157,378,891.12 and 64,479,578.40 is: 88,983,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,040,268.64 : 157,378,891.12 = 64,479,578.40 : x
  2. Step 2: Convert to fraction form
    114,040,268.64/157,378,891.12 = 64,479,578.40/x
  3. Step 3: Cross multiply
    114,040,268.64x = 157,378,891.12 × 64,479,578.40
  4. Step 4: Simplify right side
    114,040,268.64x = 10,147,724,548,477,104
  5. Step 5: Solve for x
    x = 10,147,724,548,477,104/114,040,268.64
  6. Step 6: Final answer
    x = 88,983,695.58

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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.