Home / 256,608,155.70-384,912,233.55-103,364,190.90

Finding the Fourth Proportional to 256,608,155.70, 384,912,233.55 and 103,364,190.90

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Solution

The fourth proportional to 256,608,155.70, 384,912,233.55 and 103,364,190.90 is: 155,046,286.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,608,155.70 : 384,912,233.55 = 103,364,190.90 : x
  2. Step 2: Convert to fraction form
    256,608,155.70/384,912,233.55 = 103,364,190.90/x
  3. Step 3: Cross multiply
    256,608,155.70x = 384,912,233.55 × 103,364,190.90
  4. Step 4: Simplify right side
    256,608,155.70x = 39,786,141,588,407,592
  5. Step 5: Solve for x
    x = 39,786,141,588,407,592/256,608,155.70
  6. Step 6: Final answer
    x = 155,046,286.35

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1.5x scale

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.