Home / 127,380,831.40-190,787,811.90-104,706,015.40

Finding the Fourth Proportional to 127,380,831.40, 190,787,811.90 and 104,706,015.40

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Solution

The fourth proportional to 127,380,831.40, 190,787,811.90 and 104,706,015.40 is: 156,826,041.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,380,831.40 : 190,787,811.90 = 104,706,015.40 : x
  2. Step 2: Convert to fraction form
    127,380,831.40/190,787,811.90 = 104,706,015.40/x
  3. Step 3: Cross multiply
    127,380,831.40x = 190,787,811.90 × 104,706,015.40
  4. Step 4: Simplify right side
    127,380,831.40x = 19,976,631,570,933,704
  5. Step 5: Solve for x
    x = 19,976,631,570,933,704/127,380,831.40
  6. Step 6: Final answer
    x = 156,826,041.65

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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.