Home / 315,652,629.78-435,615,811.52-174,521,238.73

Finding the Fourth Proportional to 315,652,629.78, 435,615,811.52 and 174,521,238.73

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Solution

The fourth proportional to 315,652,629.78, 435,615,811.52 and 174,521,238.73 is: 240,847,703.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,652,629.78 : 435,615,811.52 = 174,521,238.73 : x
  2. Step 2: Convert to fraction form
    315,652,629.78/435,615,811.52 = 174,521,238.73/x
  3. Step 3: Cross multiply
    315,652,629.78x = 435,615,811.52 × 174,521,238.73
  4. Step 4: Simplify right side
    315,652,629.78x = 76,024,211,034,882,960
  5. Step 5: Solve for x
    x = 76,024,211,034,882,960/315,652,629.78
  6. Step 6: Final answer
    x = 240,847,703.65

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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.