Home / 112,019,940.70-168,029,911.05-98,583,012.70

Finding the Fourth Proportional to 112,019,940.70, 168,029,911.05 and 98,583,012.70

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Solution

The fourth proportional to 112,019,940.70, 168,029,911.05 and 98,583,012.70 is: 147,874,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,019,940.70 : 168,029,911.05 = 98,583,012.70 : x
  2. Step 2: Convert to fraction form
    112,019,940.70/168,029,911.05 = 98,583,012.70/x
  3. Step 3: Cross multiply
    112,019,940.70x = 168,029,911.05 × 98,583,012.70
  4. Step 4: Simplify right side
    112,019,940.70x = 16,564,894,855,022,022
  5. Step 5: Solve for x
    x = 16,564,894,855,022,022/112,019,940.70
  6. Step 6: Final answer
    x = 147,874,519.05

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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.