Home / 68,010,210.60-102,021,442.22-21,953,171.64

Finding the Fourth Proportional to 68,010,210.60, 102,021,442.22 and 21,953,171.64

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Solution

The fourth proportional to 68,010,210.60, 102,021,442.22 and 21,953,171.64 is: 32,931,734.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,010,210.60 : 102,021,442.22 = 21,953,171.64 : x
  2. Step 2: Convert to fraction form
    68,010,210.60/102,021,442.22 = 21,953,171.64/x
  3. Step 3: Cross multiply
    68,010,210.60x = 102,021,442.22 × 21,953,171.64
  4. Step 4: Simplify right side
    68,010,210.60x = 2,239,694,232,016,002.75
  5. Step 5: Solve for x
    x = 2,239,694,232,016,002.75/68,010,210.60
  6. Step 6: Final answer
    x = 32,931,734.99

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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.