Home / 140,550,721.20-210,826,081.80-83,013,375.60

Finding the Fourth Proportional to 140,550,721.20, 210,826,081.80 and 83,013,375.60

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Solution

The fourth proportional to 140,550,721.20, 210,826,081.80 and 83,013,375.60 is: 124,520,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,550,721.20 : 210,826,081.80 = 83,013,375.60 : x
  2. Step 2: Convert to fraction form
    140,550,721.20/210,826,081.80 = 83,013,375.60/x
  3. Step 3: Cross multiply
    140,550,721.20x = 210,826,081.80 × 83,013,375.60
  4. Step 4: Simplify right side
    140,550,721.20x = 17,501,384,714,739,724
  5. Step 5: Solve for x
    x = 17,501,384,714,739,724/140,550,721.20
  6. Step 6: Final answer
    x = 124,520,063.40

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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.