Home / 117,956,136.80-176,934,205.20-66,937,800.80

Finding the Fourth Proportional to 117,956,136.80, 176,934,205.20 and 66,937,800.80

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Solution

The fourth proportional to 117,956,136.80, 176,934,205.20 and 66,937,800.80 is: 100,406,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,956,136.80 : 176,934,205.20 = 66,937,800.80 : x
  2. Step 2: Convert to fraction form
    117,956,136.80/176,934,205.20 = 66,937,800.80/x
  3. Step 3: Cross multiply
    117,956,136.80x = 176,934,205.20 × 66,937,800.80
  4. Step 4: Simplify right side
    117,956,136.80x = 11,843,586,582,383,922
  5. Step 5: Solve for x
    x = 11,843,586,582,383,922/117,956,136.80
  6. Step 6: Final answer
    x = 100,406,701.20

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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.