Home / 102,214,891.20-153,322,336.80-65,935,185.60

Finding the Fourth Proportional to 102,214,891.20, 153,322,336.80 and 65,935,185.60

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Solution

The fourth proportional to 102,214,891.20, 153,322,336.80 and 65,935,185.60 is: 98,902,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,214,891.20 : 153,322,336.80 = 65,935,185.60 : x
  2. Step 2: Convert to fraction form
    102,214,891.20/153,322,336.80 = 65,935,185.60/x
  3. Step 3: Cross multiply
    102,214,891.20x = 153,322,336.80 × 65,935,185.60
  4. Step 4: Simplify right side
    102,214,891.20x = 10,109,336,733,533,712
  5. Step 5: Solve for x
    x = 10,109,336,733,533,712/102,214,891.20
  6. Step 6: Final answer
    x = 98,902,778.40

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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.