Home / 83,093,736.14-124,640,436.98-78,037,218.06

Finding the Fourth Proportional to 83,093,736.14, 124,640,436.98 and 78,037,218.06

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Solution

The fourth proportional to 83,093,736.14, 124,640,436.98 and 78,037,218.06 is: 117,055,670.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,093,736.14 : 124,640,436.98 = 78,037,218.06 : x
  2. Step 2: Convert to fraction form
    83,093,736.14/124,640,436.98 = 78,037,218.06/x
  3. Step 3: Cross multiply
    83,093,736.14x = 124,640,436.98 × 78,037,218.06
  4. Step 4: Simplify right side
    83,093,736.14x = 9,726,592,959,701,948
  5. Step 5: Solve for x
    x = 9,726,592,959,701,948/83,093,736.14
  6. Step 6: Final answer
    x = 117,055,670.04

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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.