Home / 68,687,382.21-103,035,000.86-19,499,388.11

Finding the Fourth Proportional to 68,687,382.21, 103,035,000.86 and 19,499,388.11

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Solution

The fourth proportional to 68,687,382.21, 103,035,000.86 and 19,499,388.11 is: 29,250,197.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,687,382.21 : 103,035,000.86 = 19,499,388.11 : x
  2. Step 2: Convert to fraction form
    68,687,382.21/103,035,000.86 = 19,499,388.11/x
  3. Step 3: Cross multiply
    68,687,382.21x = 103,035,000.86 × 19,499,388.11
  4. Step 4: Simplify right side
    68,687,382.21x = 2,009,119,470,683,323.75
  5. Step 5: Solve for x
    x = 2,009,119,470,683,323.75/68,687,382.21
  6. Step 6: Final answer
    x = 29,250,197.14

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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.