Home / 117,272,796.56-161,838,599-64,352,234.32

Finding the Fourth Proportional to 117,272,796.56, 161,838,599 and 64,352,234.32

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Solution

The fourth proportional to 117,272,796.56, 161,838,599 and 64,352,234.32 is: 88,807,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,272,796.56 : 161,838,599 = 64,352,234.32 : x
  2. Step 2: Convert to fraction form
    117,272,796.56/161,838,599 = 64,352,234.32/x
  3. Step 3: Cross multiply
    117,272,796.56x = 161,838,599 × 64,352,234.32
  4. Step 4: Simplify right side
    117,272,796.56x = 10,414,675,444,868,518
  5. Step 5: Solve for x
    x = 10,414,675,444,868,518/117,272,796.56
  6. Step 6: Final answer
    x = 88,807,257.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.