Home / 51,475,602.90-77,213,342.31-13,137,121.11

Finding the Fourth Proportional to 51,475,602.90, 77,213,342.31 and 13,137,121.11

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Solution

The fourth proportional to 51,475,602.90, 77,213,342.31 and 13,137,121.11 is: 19,705,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,475,602.90 : 77,213,342.31 = 13,137,121.11 : x
  2. Step 2: Convert to fraction form
    51,475,602.90/77,213,342.31 = 13,137,121.11/x
  3. Step 3: Cross multiply
    51,475,602.90x = 77,213,342.31 × 13,137,121.11
  4. Step 4: Simplify right side
    51,475,602.90x = 1,014,361,029,234,357.12
  5. Step 5: Solve for x
    x = 1,014,361,029,234,357.12/51,475,602.90
  6. Step 6: Final answer
    x = 19,705,665.83

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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.