Home / 278,131,702.33-416,880,191.05-112,028,893.84

Finding the Fourth Proportional to 278,131,702.33, 416,880,191.05 and 112,028,893.84

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Solution

The fourth proportional to 278,131,702.33, 416,880,191.05 and 112,028,893.84 is: 167,915,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,131,702.33 : 416,880,191.05 = 112,028,893.84 : x
  2. Step 2: Convert to fraction form
    278,131,702.33/416,880,191.05 = 112,028,893.84/x
  3. Step 3: Cross multiply
    278,131,702.33x = 416,880,191.05 × 112,028,893.84
  4. Step 4: Simplify right side
    278,131,702.33x = 46,702,626,667,139,368
  5. Step 5: Solve for x
    x = 46,702,626,667,139,368/278,131,702.33
  6. Step 6: Final answer
    x = 167,915,510.08

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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.