Home / 137,138,357,375.19-205,734,027,119.88-52,141,543,193.60

Finding the Fourth Proportional to 137,138,357,375.19, 205,734,027,119.88 and 52,141,543,193.60

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Solution

The fourth proportional to 137,138,357,375.19, 205,734,027,119.88 and 52,141,543,193.60 is: 78,222,386,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,138,357,375.19 : 205,734,027,119.88 = 52,141,543,193.60 : x
  2. Step 2: Convert to fraction form
    137,138,357,375.19/205,734,027,119.88 = 52,141,543,193.60/x
  3. Step 3: Cross multiply
    137,138,357,375.19x = 205,734,027,119.88 × 52,141,543,193.60
  4. Step 4: Simplify right side
    137,138,357,375.19x = 10,727,289,661,464,495,783,936
  5. Step 5: Solve for x
    x = 10,727,289,661,464,495,783,936/137,138,357,375.19
  6. Step 6: Final answer
    x = 78,222,386,987.74

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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.