Home / 209,374,178.23-313,915,831.21-92,725,969.69

Finding the Fourth Proportional to 209,374,178.23, 313,915,831.21 and 92,725,969.69

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Solution

The fourth proportional to 209,374,178.23, 313,915,831.21 and 92,725,969.69 is: 139,024,544.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,374,178.23 : 313,915,831.21 = 92,725,969.69 : x
  2. Step 2: Convert to fraction form
    209,374,178.23/313,915,831.21 = 92,725,969.69/x
  3. Step 3: Cross multiply
    209,374,178.23x = 313,915,831.21 × 92,725,969.69
  4. Step 4: Simplify right side
    209,374,178.23x = 29,108,149,849,989,612
  5. Step 5: Solve for x
    x = 29,108,149,849,989,612/209,374,178.23
  6. Step 6: Final answer
    x = 139,024,544.94

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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.