Home / 133,919,515.80-184,802,641.56-74,384,671.32

Finding the Fourth Proportional to 133,919,515.80, 184,802,641.56 and 74,384,671.32

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Solution

The fourth proportional to 133,919,515.80, 184,802,641.56 and 74,384,671.32 is: 102,647,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,919,515.80 : 184,802,641.56 = 74,384,671.32 : x
  2. Step 2: Convert to fraction form
    133,919,515.80/184,802,641.56 = 74,384,671.32/x
  3. Step 3: Cross multiply
    133,919,515.80x = 184,802,641.56 × 74,384,671.32
  4. Step 4: Simplify right side
    133,919,515.80x = 13,746,483,751,508,370
  5. Step 5: Solve for x
    x = 13,746,483,751,508,370/133,919,515.80
  6. Step 6: Final answer
    x = 102,647,352.55

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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.