Home / 154,426,154.40-231,639,099.84-39,410,687.52

Finding the Fourth Proportional to 154,426,154.40, 231,639,099.84 and 39,410,687.52

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Solution

The fourth proportional to 154,426,154.40, 231,639,099.84 and 39,410,687.52 is: 59,115,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,154.40 : 231,639,099.84 = 39,410,687.52 : x
  2. Step 2: Convert to fraction form
    154,426,154.40/231,639,099.84 = 39,410,687.52/x
  3. Step 3: Cross multiply
    154,426,154.40x = 231,639,099.84 × 39,410,687.52
  4. Step 4: Simplify right side
    154,426,154.40x = 9,129,056,181,208,322
  5. Step 5: Solve for x
    x = 9,129,056,181,208,322/154,426,154.40
  6. Step 6: Final answer
    x = 59,115,997.65

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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.