Home / 137,603,458.13-189,892,803.06-75,723,796.62

Finding the Fourth Proportional to 137,603,458.13, 189,892,803.06 and 75,723,796.62

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Solution

The fourth proportional to 137,603,458.13, 189,892,803.06 and 75,723,796.62 is: 104,498,856.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,603,458.13 : 189,892,803.06 = 75,723,796.62 : x
  2. Step 2: Convert to fraction form
    137,603,458.13/189,892,803.06 = 75,723,796.62/x
  3. Step 3: Cross multiply
    137,603,458.13x = 189,892,803.06 × 75,723,796.62
  4. Step 4: Simplify right side
    137,603,458.13x = 14,379,403,998,517,154
  5. Step 5: Solve for x
    x = 14,379,403,998,517,154/137,603,458.13
  6. Step 6: Final answer
    x = 104,498,856.31

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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.