Home / 282,943,152-424,414,704.96-78,471,224.64

Finding the Fourth Proportional to 282,943,152, 424,414,704.96 and 78,471,224.64

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Solution

The fourth proportional to 282,943,152, 424,414,704.96 and 78,471,224.64 is: 117,706,830.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,943,152 : 424,414,704.96 = 78,471,224.64 : x
  2. Step 2: Convert to fraction form
    282,943,152/424,414,704.96 = 78,471,224.64/x
  3. Step 3: Cross multiply
    282,943,152x = 424,414,704.96 × 78,471,224.64
  4. Step 4: Simplify right side
    282,943,152x = 33,304,341,653,435,480
  5. Step 5: Solve for x
    x = 33,304,341,653,435,480/282,943,152
  6. Step 6: Final answer
    x = 117,706,830.57

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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.