Home / 135,246,095,631.51-186,656,830,615.58-81,782,450,787.04

Finding the Fourth Proportional to 135,246,095,631.51, 186,656,830,615.58 and 81,782,450,787.04

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Solution

The fourth proportional to 135,246,095,631.51, 186,656,830,615.58 and 81,782,450,787.04 is: 112,870,194,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,246,095,631.51 : 186,656,830,615.58 = 81,782,450,787.04 : x
  2. Step 2: Convert to fraction form
    135,246,095,631.51/186,656,830,615.58 = 81,782,450,787.04/x
  3. Step 3: Cross multiply
    135,246,095,631.51x = 186,656,830,615.58 × 81,782,450,787.04
  4. Step 4: Simplify right side
    135,246,095,631.51x = 15,265,253,063,882,597,990,400
  5. Step 5: Solve for x
    x = 15,265,253,063,882,597,990,400/135,246,095,631.51
  6. Step 6: Final answer
    x = 112,870,194,090.29

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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.