Home / 112,019,976.70-168,029,965.05-98,583,048.70

Finding the Fourth Proportional to 112,019,976.70, 168,029,965.05 and 98,583,048.70

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Solution

The fourth proportional to 112,019,976.70, 168,029,965.05 and 98,583,048.70 is: 147,874,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,019,976.70 : 168,029,965.05 = 98,583,048.70 : x
  2. Step 2: Convert to fraction form
    112,019,976.70/168,029,965.05 = 98,583,048.70/x
  3. Step 3: Cross multiply
    112,019,976.70x = 168,029,965.05 × 98,583,048.70
  4. Step 4: Simplify right side
    112,019,976.70x = 16,564,906,227,583,450
  5. Step 5: Solve for x
    x = 16,564,906,227,583,450/112,019,976.70
  6. Step 6: Final answer
    x = 147,874,573.05

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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.