Home / 112,125,831.40-168,188,747.10-112,125,831.40

Finding the Fourth Proportional to 112,125,831.40, 168,188,747.10 and 112,125,831.40

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Solution

The fourth proportional to 112,125,831.40, 168,188,747.10 and 112,125,831.40 is: 168,188,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,125,831.40 : 168,188,747.10 = 112,125,831.40 : x
  2. Step 2: Convert to fraction form
    112,125,831.40/168,188,747.10 = 112,125,831.40/x
  3. Step 3: Cross multiply
    112,125,831.40x = 168,188,747.10 × 112,125,831.40
  4. Step 4: Simplify right side
    112,125,831.40x = 18,858,303,100,711,840
  5. Step 5: Solve for x
    x = 18,858,303,100,711,840/112,125,831.40
  6. Step 6: Final answer
    x = 168,188,747.10

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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.