Home / 315,473,440.85-435,330,540.33-174,342,972.44

Finding the Fourth Proportional to 315,473,440.85, 435,330,540.33 and 174,342,972.44

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Solution

The fourth proportional to 315,473,440.85, 435,330,540.33 and 174,342,972.44 is: 240,580,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,473,440.85 : 435,330,540.33 = 174,342,972.44 : x
  2. Step 2: Convert to fraction form
    315,473,440.85/435,330,540.33 = 174,342,972.44/x
  3. Step 3: Cross multiply
    315,473,440.85x = 435,330,540.33 × 174,342,972.44
  4. Step 4: Simplify right side
    315,473,440.85x = 75,896,820,395,043,488
  5. Step 5: Solve for x
    x = 75,896,820,395,043,488/315,473,440.85
  6. Step 6: Final answer
    x = 240,580,697.35

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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.