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Finding the Fourth Proportional to 92,012,010.90, 137,900,793.15 and 48,901,866.90

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Solution

The fourth proportional to 92,012,010.90, 137,900,793.15 and 48,901,866.90 is: 73,290,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,012,010.90 : 137,900,793.15 = 48,901,866.90 : x
  2. Step 2: Convert to fraction form
    92,012,010.90/137,900,793.15 = 48,901,866.90/x
  3. Step 3: Cross multiply
    92,012,010.90x = 137,900,793.15 × 48,901,866.90
  4. Step 4: Simplify right side
    92,012,010.90x = 6,743,606,232,025,732
  5. Step 5: Solve for x
    x = 6,743,606,232,025,732/92,012,010.90
  6. Step 6: Final answer
    x = 73,290,499.43

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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.