Home / 315,869,190.72-435,891,295.68-174,745,623.36

Finding the Fourth Proportional to 315,869,190.72, 435,891,295.68 and 174,745,623.36

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Solution

The fourth proportional to 315,869,190.72, 435,891,295.68 and 174,745,623.36 is: 241,144,430.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,869,190.72 : 435,891,295.68 = 174,745,623.36 : x
  2. Step 2: Convert to fraction form
    315,869,190.72/435,891,295.68 = 174,745,623.36/x
  3. Step 3: Cross multiply
    315,869,190.72x = 435,891,295.68 × 174,745,623.36
  4. Step 4: Simplify right side
    315,869,190.72x = 76,170,096,180,799,680
  5. Step 5: Solve for x
    x = 76,170,096,180,799,680/315,869,190.72
  6. Step 6: Final answer
    x = 241,144,430.73

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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.