Home / 256,072,919.10-384,110,375.22-61,984,022.96

Finding the Fourth Proportional to 256,072,919.10, 384,110,375.22 and 61,984,022.96

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Solution

The fourth proportional to 256,072,919.10, 384,110,375.22 and 61,984,022.96 is: 92,976,275.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,072,919.10 : 384,110,375.22 = 61,984,022.96 : x
  2. Step 2: Convert to fraction form
    256,072,919.10/384,110,375.22 = 61,984,022.96/x
  3. Step 3: Cross multiply
    256,072,919.10x = 384,110,375.22 × 61,984,022.96
  4. Step 4: Simplify right side
    256,072,919.10x = 23,808,706,314,890,144
  5. Step 5: Solve for x
    x = 23,808,706,314,890,144/256,072,919.10
  6. Step 6: Final answer
    x = 92,976,275.66

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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.