Home / 282,691,787.35-424,047,128.88-78,202,738.39

Finding the Fourth Proportional to 282,691,787.35, 424,047,128.88 and 78,202,738.39

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Solution

The fourth proportional to 282,691,787.35, 424,047,128.88 and 78,202,738.39 is: 117,306,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,691,787.35 : 424,047,128.88 = 78,202,738.39 : x
  2. Step 2: Convert to fraction form
    282,691,787.35/424,047,128.88 = 78,202,738.39/x
  3. Step 3: Cross multiply
    282,691,787.35x = 424,047,128.88 × 78,202,738.39
  4. Step 4: Simplify right side
    282,691,787.35x = 33,161,646,684,833,252
  5. Step 5: Solve for x
    x = 33,161,646,684,833,252/282,691,787.35
  6. Step 6: Final answer
    x = 117,306,721.20

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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.