Home / 282,691,861.44-424,047,240-78,202,812.48

Finding the Fourth Proportional to 282,691,861.44, 424,047,240 and 78,202,812.48

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Solution

The fourth proportional to 282,691,861.44, 424,047,240 and 78,202,812.48 is: 117,306,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,691,861.44 : 424,047,240 = 78,202,812.48 : x
  2. Step 2: Convert to fraction form
    282,691,861.44/424,047,240 = 78,202,812.48/x
  3. Step 3: Cross multiply
    282,691,861.44x = 424,047,240 × 78,202,812.48
  4. Step 4: Simplify right side
    282,691,861.44x = 33,161,686,792,381,556
  5. Step 5: Solve for x
    x = 33,161,686,792,381,556/282,691,861.44
  6. Step 6: Final answer
    x = 117,306,832.33

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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.