Home / 117,570,955.43-162,008,847.20-90,947,637.20

Finding the Fourth Proportional to 117,570,955.43, 162,008,847.20 and 90,947,637.20

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Solution

The fourth proportional to 117,570,955.43, 162,008,847.20 and 90,947,637.20 is: 125,322,804.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,570,955.43 : 162,008,847.20 = 90,947,637.20 : x
  2. Step 2: Convert to fraction form
    117,570,955.43/162,008,847.20 = 90,947,637.20/x
  3. Step 3: Cross multiply
    117,570,955.43x = 162,008,847.20 × 90,947,637.20
  4. Step 4: Simplify right side
    117,570,955.43x = 14,734,321,858,968,226
  5. Step 5: Solve for x
    x = 14,734,321,858,968,226/117,570,955.43
  6. Step 6: Final answer
    x = 125,322,804.47

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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.