Home / 131,010,759.90-196,586,998.65-54,341,538.30

Finding the Fourth Proportional to 131,010,759.90, 196,586,998.65 and 54,341,538.30

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Solution

The fourth proportional to 131,010,759.90, 196,586,998.65 and 54,341,538.30 is: 81,541,698.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,010,759.90 : 196,586,998.65 = 54,341,538.30 : x
  2. Step 2: Convert to fraction form
    131,010,759.90/196,586,998.65 = 54,341,538.30/x
  3. Step 3: Cross multiply
    131,010,759.90x = 196,586,998.65 × 54,341,538.30
  4. Step 4: Simplify right side
    131,010,759.90x = 10,682,839,916,421,024
  5. Step 5: Solve for x
    x = 10,682,839,916,421,024/131,010,759.90
  6. Step 6: Final answer
    x = 81,541,698.75

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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.