Home / 53,925,979.90-80,888,969.85-21,582,874.30

Finding the Fourth Proportional to 53,925,979.90, 80,888,969.85 and 21,582,874.30

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Solution

The fourth proportional to 53,925,979.90, 80,888,969.85 and 21,582,874.30 is: 32,374,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,925,979.90 : 80,888,969.85 = 21,582,874.30 : x
  2. Step 2: Convert to fraction form
    53,925,979.90/80,888,969.85 = 21,582,874.30/x
  3. Step 3: Cross multiply
    53,925,979.90x = 80,888,969.85 × 21,582,874.30
  4. Step 4: Simplify right side
    53,925,979.90x = 1,745,816,468,529,039.75
  5. Step 5: Solve for x
    x = 1,745,816,468,529,039.75/53,925,979.90
  6. Step 6: Final answer
    x = 32,374,311.45

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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.