Home / 411,800,923.31-617,700,863.32-105,093,043.07

Finding the Fourth Proportional to 411,800,923.31, 617,700,863.32 and 105,093,043.07

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Solution

The fourth proportional to 411,800,923.31, 617,700,863.32 and 105,093,043.07 is: 157,639,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,800,923.31 : 617,700,863.32 = 105,093,043.07 : x
  2. Step 2: Convert to fraction form
    411,800,923.31/617,700,863.32 = 105,093,043.07/x
  3. Step 3: Cross multiply
    411,800,923.31x = 617,700,863.32 × 105,093,043.07
  4. Step 4: Simplify right side
    411,800,923.31x = 64,916,063,429,913,704
  5. Step 5: Solve for x
    x = 64,916,063,429,913,704/411,800,923.31
  6. Step 6: Final answer
    x = 157,639,431.47

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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.