Home / 126,706,873,062.69-174,870,474,987.64-75,265,636,138.56

Finding the Fourth Proportional to 126,706,873,062.69, 174,870,474,987.64 and 75,265,636,138.56

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Solution

The fourth proportional to 126,706,873,062.69, 174,870,474,987.64 and 75,265,636,138.56 is: 103,875,482,234.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,706,873,062.69 : 174,870,474,987.64 = 75,265,636,138.56 : x
  2. Step 2: Convert to fraction form
    126,706,873,062.69/174,870,474,987.64 = 75,265,636,138.56/x
  3. Step 3: Cross multiply
    126,706,873,062.69x = 174,870,474,987.64 × 75,265,636,138.56
  4. Step 4: Simplify right side
    126,706,873,062.69x = 13,161,737,541,796,870,750,208
  5. Step 5: Solve for x
    x = 13,161,737,541,796,870,750,208/126,706,873,062.69
  6. Step 6: Final answer
    x = 103,875,482,234.38

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1.5x scale

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.