Home / 247,809,318.48-341,937,286.92-137,801,831.76

Finding the Fourth Proportional to 247,809,318.48, 341,937,286.92 and 137,801,831.76

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Solution

The fourth proportional to 247,809,318.48, 341,937,286.92 and 137,801,831.76 is: 190,144,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,809,318.48 : 341,937,286.92 = 137,801,831.76 : x
  2. Step 2: Convert to fraction form
    247,809,318.48/341,937,286.92 = 137,801,831.76/x
  3. Step 3: Cross multiply
    247,809,318.48x = 341,937,286.92 × 137,801,831.76
  4. Step 4: Simplify right side
    247,809,318.48x = 47,119,584,484,620,688
  5. Step 5: Solve for x
    x = 47,119,584,484,620,688/247,809,318.48
  6. Step 6: Final answer
    x = 190,144,522.30

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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.