Home / 98,784,392-136,322,460.96-55,324,328

Finding the Fourth Proportional to 98,784,392, 136,322,460.96 and 55,324,328

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Solution

The fourth proportional to 98,784,392, 136,322,460.96 and 55,324,328 is: 76,347,572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,784,392 : 136,322,460.96 = 55,324,328 : x
  2. Step 2: Convert to fraction form
    98,784,392/136,322,460.96 = 55,324,328/x
  3. Step 3: Cross multiply
    98,784,392x = 136,322,460.96 × 55,324,328
  4. Step 4: Simplify right side
    98,784,392x = 7,541,948,543,918,235
  5. Step 5: Solve for x
    x = 7,541,948,543,918,235/98,784,392
  6. Step 6: Final answer
    x = 76,347,572.64

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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.