Home / 250,353,438.81-375,453,298.77-173,126,612.43

Finding the Fourth Proportional to 250,353,438.81, 375,453,298.77 and 173,126,612.43

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Solution

The fourth proportional to 250,353,438.81, 375,453,298.77 and 173,126,612.43 is: 259,636,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,353,438.81 : 375,453,298.77 = 173,126,612.43 : x
  2. Step 2: Convert to fraction form
    250,353,438.81/375,453,298.77 = 173,126,612.43/x
  3. Step 3: Cross multiply
    250,353,438.81x = 375,453,298.77 × 173,126,612.43
  4. Step 4: Simplify right side
    250,353,438.81x = 65,000,957,741,718,784
  5. Step 5: Solve for x
    x = 65,000,957,741,718,784/250,353,438.81
  6. Step 6: Final answer
    x = 259,636,768.13

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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.