Home / 145,856,481.23-201,288,392.25-83,996,748.83

Finding the Fourth Proportional to 145,856,481.23, 201,288,392.25 and 83,996,748.83

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Solution

The fourth proportional to 145,856,481.23, 201,288,392.25 and 83,996,748.83 is: 115,919,226.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,856,481.23 : 201,288,392.25 = 83,996,748.83 : x
  2. Step 2: Convert to fraction form
    145,856,481.23/201,288,392.25 = 83,996,748.83/x
  3. Step 3: Cross multiply
    145,856,481.23x = 201,288,392.25 × 83,996,748.83
  4. Step 4: Simplify right side
    145,856,481.23x = 16,907,570,525,211,328
  5. Step 5: Solve for x
    x = 16,907,570,525,211,328/145,856,481.23
  6. Step 6: Final answer
    x = 115,919,226.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.