Home / 126,706,873,052.94-174,870,474,974.22-75,265,636,128.78

Finding the Fourth Proportional to 126,706,873,052.94, 174,870,474,974.22 and 75,265,636,128.78

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Solution

The fourth proportional to 126,706,873,052.94, 174,870,474,974.22 and 75,265,636,128.78 is: 103,875,482,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,706,873,052.94 : 174,870,474,974.22 = 75,265,636,128.78 : x
  2. Step 2: Convert to fraction form
    126,706,873,052.94/174,870,474,974.22 = 75,265,636,128.78/x
  3. Step 3: Cross multiply
    126,706,873,052.94x = 174,870,474,974.22 × 75,265,636,128.78
  4. Step 4: Simplify right side
    126,706,873,052.94x = 13,161,737,539,076,571,004,928
  5. Step 5: Solve for x
    x = 13,161,737,539,076,571,004,928/126,706,873,052.94
  6. Step 6: Final answer
    x = 103,875,482,220.90

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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.