Home / 126,706,873,053.94-174,870,474,975.60-75,265,636,129.78

Finding the Fourth Proportional to 126,706,873,053.94, 174,870,474,975.60 and 75,265,636,129.78

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Solution

The fourth proportional to 126,706,873,053.94, 174,870,474,975.60 and 75,265,636,129.78 is: 103,875,482,222.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,706,873,053.94 : 174,870,474,975.60 = 75,265,636,129.78 : x
  2. Step 2: Convert to fraction form
    126,706,873,053.94/174,870,474,975.60 = 75,265,636,129.78/x
  3. Step 3: Cross multiply
    126,706,873,053.94x = 174,870,474,975.60 × 75,265,636,129.78
  4. Step 4: Simplify right side
    126,706,873,053.94x = 13,161,737,539,355,309,768,704
  5. Step 5: Solve for x
    x = 13,161,737,539,355,309,768,704/126,706,873,053.94
  6. Step 6: Final answer
    x = 103,875,482,222.28

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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.