Home / 98,784,409.64-136,322,485.29-55,324,345.64

Finding the Fourth Proportional to 98,784,409.64, 136,322,485.29 and 55,324,345.64

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Solution

The fourth proportional to 98,784,409.64, 136,322,485.29 and 55,324,345.64 is: 76,347,596.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,784,409.64 : 136,322,485.29 = 55,324,345.64 : x
  2. Step 2: Convert to fraction form
    98,784,409.64/136,322,485.29 = 55,324,345.64/x
  3. Step 3: Cross multiply
    98,784,409.64x = 136,322,485.29 × 55,324,345.64
  4. Step 4: Simplify right side
    98,784,409.64x = 7,541,952,294,687,775
  5. Step 5: Solve for x
    x = 7,541,952,294,687,775/98,784,409.64
  6. Step 6: Final answer
    x = 76,347,596.98

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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.