Home / 98,784,393-136,322,462.34-55,324,329

Finding the Fourth Proportional to 98,784,393, 136,322,462.34 and 55,324,329

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Solution

The fourth proportional to 98,784,393, 136,322,462.34 and 55,324,329 is: 76,347,574.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,784,393 : 136,322,462.34 = 55,324,329 : x
  2. Step 2: Convert to fraction form
    98,784,393/136,322,462.34 = 55,324,329/x
  3. Step 3: Cross multiply
    98,784,393x = 136,322,462.34 × 55,324,329
  4. Step 4: Simplify right side
    98,784,393x = 7,541,948,756,588,270
  5. Step 5: Solve for x
    x = 7,541,948,756,588,270/98,784,393
  6. Step 6: Final answer
    x = 76,347,574.02

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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.