Home / 115,718,317.51-173,594,415.94-54,313,713.47

Finding the Fourth Proportional to 115,718,317.51, 173,594,415.94 and 54,313,713.47

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Solution

The fourth proportional to 115,718,317.51, 173,594,415.94 and 54,313,713.47 is: 81,478,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,718,317.51 : 173,594,415.94 = 54,313,713.47 : x
  2. Step 2: Convert to fraction form
    115,718,317.51/173,594,415.94 = 54,313,713.47/x
  3. Step 3: Cross multiply
    115,718,317.51x = 173,594,415.94 × 54,313,713.47
  4. Step 4: Simplify right side
    115,718,317.51x = 9,428,557,368,051,340
  5. Step 5: Solve for x
    x = 9,428,557,368,051,340/115,718,317.51
  6. Step 6: Final answer
    x = 81,478,521.04

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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.