Home / 282,691,769.85-424,047,102.62-78,202,720.89

Finding the Fourth Proportional to 282,691,769.85, 424,047,102.62 and 78,202,720.89

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Solution

The fourth proportional to 282,691,769.85, 424,047,102.62 and 78,202,720.89 is: 117,306,694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,691,769.85 : 424,047,102.62 = 78,202,720.89 : x
  2. Step 2: Convert to fraction form
    282,691,769.85/424,047,102.62 = 78,202,720.89/x
  3. Step 3: Cross multiply
    282,691,769.85x = 424,047,102.62 × 78,202,720.89
  4. Step 4: Simplify right side
    282,691,769.85x = 33,161,637,210,014,036
  5. Step 5: Solve for x
    x = 33,161,637,210,014,036/282,691,769.85
  6. Step 6: Final answer
    x = 117,306,694.95

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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.