Home / 356,025,855.40-534,099,078.78-122,793,240.52

Finding the Fourth Proportional to 356,025,855.40, 534,099,078.78 and 122,793,240.52

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Solution

The fourth proportional to 356,025,855.40, 534,099,078.78 and 122,793,240.52 is: 184,210,656.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,025,855.40 : 534,099,078.78 = 122,793,240.52 : x
  2. Step 2: Convert to fraction form
    356,025,855.40/534,099,078.78 = 122,793,240.52/x
  3. Step 3: Cross multiply
    356,025,855.40x = 534,099,078.78 × 122,793,240.52
  4. Step 4: Simplify right side
    356,025,855.40x = 65,583,756,642,142,960
  5. Step 5: Solve for x
    x = 65,583,756,642,142,960/356,025,855.40
  6. Step 6: Final answer
    x = 184,210,656.75

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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.