Home / 131,360,455,654.65-196,934,647,172.58-120,757,389,890.34

Finding the Fourth Proportional to 131,360,455,654.65, 196,934,647,172.58 and 120,757,389,890.34

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Solution

The fourth proportional to 131,360,455,654.65, 196,934,647,172.58 and 120,757,389,890.34 is: 181,038,607,494.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,360,455,654.65 : 196,934,647,172.58 = 120,757,389,890.34 : x
  2. Step 2: Convert to fraction form
    131,360,455,654.65/196,934,647,172.58 = 120,757,389,890.34/x
  3. Step 3: Cross multiply
    131,360,455,654.65x = 196,934,647,172.58 × 120,757,389,890.34
  4. Step 4: Simplify right side
    131,360,455,654.65x = 23,781,313,971,535,784,968,192
  5. Step 5: Solve for x
    x = 23,781,313,971,535,784,968,192/131,360,455,654.65
  6. Step 6: Final answer
    x = 181,038,607,494.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.