Home / 358,565,195.70-538,004,236.46-125,563,140.72

Finding the Fourth Proportional to 358,565,195.70, 538,004,236.46 and 125,563,140.72

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Solution

The fourth proportional to 358,565,195.70, 538,004,236.46 and 125,563,140.72 is: 188,399,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,565,195.70 : 538,004,236.46 = 125,563,140.72 : x
  2. Step 2: Convert to fraction form
    358,565,195.70/538,004,236.46 = 125,563,140.72/x
  3. Step 3: Cross multiply
    358,565,195.70x = 538,004,236.46 × 125,563,140.72
  4. Step 4: Simplify right side
    358,565,195.70x = 67,553,501,649,955,320
  5. Step 5: Solve for x
    x = 67,553,501,649,955,320/358,565,195.70
  6. Step 6: Final answer
    x = 188,399,494.60

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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.