Home / 355,798,576.40-533,697,864.60-126,027,107.60

Finding the Fourth Proportional to 355,798,576.40, 533,697,864.60 and 126,027,107.60

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Solution

The fourth proportional to 355,798,576.40, 533,697,864.60 and 126,027,107.60 is: 189,040,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,798,576.40 : 533,697,864.60 = 126,027,107.60 : x
  2. Step 2: Convert to fraction form
    355,798,576.40/533,697,864.60 = 126,027,107.60/x
  3. Step 3: Cross multiply
    355,798,576.40x = 533,697,864.60 × 126,027,107.60
  4. Step 4: Simplify right side
    355,798,576.40x = 67,260,398,207,834,432
  5. Step 5: Solve for x
    x = 67,260,398,207,834,432/355,798,576.40
  6. Step 6: Final answer
    x = 189,040,661.40

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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.