Home / 92,685,702.80-139,028,554.20-71,228,608.40

Finding the Fourth Proportional to 92,685,702.80, 139,028,554.20 and 71,228,608.40

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Solution

The fourth proportional to 92,685,702.80, 139,028,554.20 and 71,228,608.40 is: 106,842,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,685,702.80 : 139,028,554.20 = 71,228,608.40 : x
  2. Step 2: Convert to fraction form
    92,685,702.80/139,028,554.20 = 71,228,608.40/x
  3. Step 3: Cross multiply
    92,685,702.80x = 139,028,554.20 × 71,228,608.40
  4. Step 4: Simplify right side
    92,685,702.80x = 9,902,810,443,529,976
  5. Step 5: Solve for x
    x = 9,902,810,443,529,976/92,685,702.80
  6. Step 6: Final answer
    x = 106,842,912.60

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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.