Home / 256,910,062.32-354,536,236.12-139,435,394.08

Finding the Fourth Proportional to 256,910,062.32, 354,536,236.12 and 139,435,394.08

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Solution

The fourth proportional to 256,910,062.32, 354,536,236.12 and 139,435,394.08 is: 192,421,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,910,062.32 : 354,536,236.12 = 139,435,394.08 : x
  2. Step 2: Convert to fraction form
    256,910,062.32/354,536,236.12 = 139,435,394.08/x
  3. Step 3: Cross multiply
    256,910,062.32x = 354,536,236.12 × 139,435,394.08
  4. Step 4: Simplify right side
    256,910,062.32x = 49,434,899,799,032,136
  5. Step 5: Solve for x
    x = 49,434,899,799,032,136/256,910,062.32
  6. Step 6: Final answer
    x = 192,421,033.85

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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.