Home / 98,784,394-136,322,463.72-55,324,330

Finding the Fourth Proportional to 98,784,394, 136,322,463.72 and 55,324,330

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Solution

The fourth proportional to 98,784,394, 136,322,463.72 and 55,324,330 is: 76,347,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,784,394 : 136,322,463.72 = 55,324,330 : x
  2. Step 2: Convert to fraction form
    98,784,394/136,322,463.72 = 55,324,330/x
  3. Step 3: Cross multiply
    98,784,394x = 136,322,463.72 × 55,324,330
  4. Step 4: Simplify right side
    98,784,394x = 7,541,948,969,258,308
  5. Step 5: Solve for x
    x = 7,541,948,969,258,308/98,784,394
  6. Step 6: Final answer
    x = 76,347,575.40

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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.