Home / 115,482,715.50-173,222,578.80-28,044,948.90

Finding the Fourth Proportional to 115,482,715.50, 173,222,578.80 and 28,044,948.90

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Solution

The fourth proportional to 115,482,715.50, 173,222,578.80 and 28,044,948.90 is: 42,067,060.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,482,715.50 : 173,222,578.80 = 28,044,948.90 : x
  2. Step 2: Convert to fraction form
    115,482,715.50/173,222,578.80 = 28,044,948.90/x
  3. Step 3: Cross multiply
    115,482,715.50x = 173,222,578.80 × 28,044,948.90
  4. Step 4: Simplify right side
    115,482,715.50x = 4,858,018,370,772,223
  5. Step 5: Solve for x
    x = 4,858,018,370,772,223/115,482,715.50
  6. Step 6: Final answer
    x = 42,067,060.42

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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.