Home / 135,246,095,631.01-186,656,830,614.89-81,782,450,786.54

Finding the Fourth Proportional to 135,246,095,631.01, 186,656,830,614.89 and 81,782,450,786.54

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Solution

The fourth proportional to 135,246,095,631.01, 186,656,830,614.89 and 81,782,450,786.54 is: 112,870,194,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,246,095,631.01 : 186,656,830,614.89 = 81,782,450,786.54 : x
  2. Step 2: Convert to fraction form
    135,246,095,631.01/186,656,830,614.89 = 81,782,450,786.54/x
  3. Step 3: Cross multiply
    135,246,095,631.01x = 186,656,830,614.89 × 81,782,450,786.54
  4. Step 4: Simplify right side
    135,246,095,631.01x = 15,265,253,063,732,842,463,232
  5. Step 5: Solve for x
    x = 15,265,253,063,732,842,463,232/135,246,095,631.01
  6. Step 6: Final answer
    x = 112,870,194,089.60

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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.