Home / 133,121,513.60-183,704,164.44-74,384,661.32

Finding the Fourth Proportional to 133,121,513.60, 183,704,164.44 and 74,384,661.32

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Solution

The fourth proportional to 133,121,513.60, 183,704,164.44 and 74,384,661.32 is: 102,648,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,121,513.60 : 183,704,164.44 = 74,384,661.32 : x
  2. Step 2: Convert to fraction form
    133,121,513.60/183,704,164.44 = 74,384,661.32/x
  3. Step 3: Cross multiply
    133,121,513.60x = 183,704,164.44 × 74,384,661.32
  4. Step 4: Simplify right side
    133,121,513.60x = 13,664,772,054,942,986
  5. Step 5: Solve for x
    x = 13,664,772,054,942,986/133,121,513.60
  6. Step 6: Final answer
    x = 102,648,863.32

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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.