Home / 106,546,647.30-159,894,620.55-68,301,168.90

Finding the Fourth Proportional to 106,546,647.30, 159,894,620.55 and 68,301,168.90

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Solution

The fourth proportional to 106,546,647.30, 159,894,620.55 and 68,301,168.90 is: 102,499,607.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,546,647.30 : 159,894,620.55 = 68,301,168.90 : x
  2. Step 2: Convert to fraction form
    106,546,647.30/159,894,620.55 = 68,301,168.90/x
  3. Step 3: Cross multiply
    106,546,647.30x = 159,894,620.55 × 68,301,168.90
  4. Step 4: Simplify right side
    106,546,647.30x = 10,920,989,484,386,962
  5. Step 5: Solve for x
    x = 10,920,989,484,386,962/106,546,647.30
  6. Step 6: Final answer
    x = 102,499,607.08

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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.