Home / 85,325,329.80-117,752,289.86-48,156,895.74

Finding the Fourth Proportional to 85,325,329.80, 117,752,289.86 and 48,156,895.74

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Solution

The fourth proportional to 85,325,329.80, 117,752,289.86 and 48,156,895.74 is: 66,458,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,325,329.80 : 117,752,289.86 = 48,156,895.74 : x
  2. Step 2: Convert to fraction form
    85,325,329.80/117,752,289.86 = 48,156,895.74/x
  3. Step 3: Cross multiply
    85,325,329.80x = 117,752,289.86 × 48,156,895.74
  4. Step 4: Simplify right side
    85,325,329.80x = 5,670,584,745,693,495
  5. Step 5: Solve for x
    x = 5,670,584,745,693,495/85,325,329.80
  6. Step 6: Final answer
    x = 66,458,398.22

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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.