Home / 172,465,388.55-258,698,082.83-155,459,276.55

Finding the Fourth Proportional to 172,465,388.55, 258,698,082.83 and 155,459,276.55

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Solution

The fourth proportional to 172,465,388.55, 258,698,082.83 and 155,459,276.55 is: 233,188,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,465,388.55 : 258,698,082.83 = 155,459,276.55 : x
  2. Step 2: Convert to fraction form
    172,465,388.55/258,698,082.83 = 155,459,276.55/x
  3. Step 3: Cross multiply
    172,465,388.55x = 258,698,082.83 × 155,459,276.55
  4. Step 4: Simplify right side
    172,465,388.55x = 40,217,016,800,846,480
  5. Step 5: Solve for x
    x = 40,217,016,800,846,480/172,465,388.55
  6. Step 6: Final answer
    x = 233,188,914.83

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Double scale
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Similar ratio
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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.