Home / 141,633,998.80-212,450,998.20-84,096,653.20

Finding the Fourth Proportional to 141,633,998.80, 212,450,998.20 and 84,096,653.20

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Solution

The fourth proportional to 141,633,998.80, 212,450,998.20 and 84,096,653.20 is: 126,144,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,633,998.80 : 212,450,998.20 = 84,096,653.20 : x
  2. Step 2: Convert to fraction form
    141,633,998.80/212,450,998.20 = 84,096,653.20/x
  3. Step 3: Cross multiply
    141,633,998.80x = 212,450,998.20 × 84,096,653.20
  4. Step 4: Simplify right side
    141,633,998.80x = 17,866,417,917,619,224
  5. Step 5: Solve for x
    x = 17,866,417,917,619,224/141,633,998.80
  6. Step 6: Final answer
    x = 126,144,979.80

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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.