Home / 117,405,303.62-162,001,743.74-67,161,533.64

Finding the Fourth Proportional to 117,405,303.62, 162,001,743.74 and 67,161,533.64

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Solution

The fourth proportional to 117,405,303.62, 162,001,743.74 and 67,161,533.64 is: 92,672,862.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,405,303.62 : 162,001,743.74 = 67,161,533.64 : x
  2. Step 2: Convert to fraction form
    117,405,303.62/162,001,743.74 = 67,161,533.64/x
  3. Step 3: Cross multiply
    117,405,303.62x = 162,001,743.74 × 67,161,533.64
  4. Step 4: Simplify right side
    117,405,303.62x = 10,880,285,561,932,670
  5. Step 5: Solve for x
    x = 10,880,285,561,932,670/117,405,303.62
  6. Step 6: Final answer
    x = 92,672,862.52

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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.