Home / 256,910,166.36-354,536,380.67-139,435,498.41

Finding the Fourth Proportional to 256,910,166.36, 354,536,380.67 and 139,435,498.41

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Solution

The fourth proportional to 256,910,166.36, 354,536,380.67 and 139,435,498.41 is: 192,421,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,910,166.36 : 354,536,380.67 = 139,435,498.41 : x
  2. Step 2: Convert to fraction form
    256,910,166.36/354,536,380.67 = 139,435,498.41/x
  3. Step 3: Cross multiply
    256,910,166.36x = 354,536,380.67 × 139,435,498.41
  4. Step 4: Simplify right side
    256,910,166.36x = 49,434,956,942,501,760
  5. Step 5: Solve for x
    x = 49,434,956,942,501,760/256,910,166.36
  6. Step 6: Final answer
    x = 192,421,178.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.