Home / 282,737,610.88-424,059,172.80-78,286,353.28

Finding the Fourth Proportional to 282,737,610.88, 424,059,172.80 and 78,286,353.28

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Solution

The fourth proportional to 282,737,610.88, 424,059,172.80 and 78,286,353.28 is: 117,416,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,737,610.88 : 424,059,172.80 = 78,286,353.28 : x
  2. Step 2: Convert to fraction form
    282,737,610.88/424,059,172.80 = 78,286,353.28/x
  3. Step 3: Cross multiply
    282,737,610.88x = 424,059,172.80 × 78,286,353.28
  4. Step 4: Simplify right side
    282,737,610.88x = 33,198,046,213,445,368
  5. Step 5: Solve for x
    x = 33,198,046,213,445,368/282,737,610.88
  6. Step 6: Final answer
    x = 117,416,448.81

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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.