Home / 68,178,065.36-102,281,460.85-22,116,337.78

Finding the Fourth Proportional to 68,178,065.36, 102,281,460.85 and 22,116,337.78

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Solution

The fourth proportional to 68,178,065.36, 102,281,460.85 and 22,116,337.78 is: 33,179,165.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,178,065.36 : 102,281,460.85 = 22,116,337.78 : x
  2. Step 2: Convert to fraction form
    68,178,065.36/102,281,460.85 = 22,116,337.78/x
  3. Step 3: Cross multiply
    68,178,065.36x = 102,281,460.85 × 22,116,337.78
  4. Step 4: Simplify right side
    68,178,065.36x = 2,262,091,336,424,160.50
  5. Step 5: Solve for x
    x = 2,262,091,336,424,160.50/68,178,065.36
  6. Step 6: Final answer
    x = 33,179,165.83

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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.