Home / 118,335,670.86-163,300,093.23-66,125,135.55

Finding the Fourth Proportional to 118,335,670.86, 163,300,093.23 and 66,125,135.55

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Solution

The fourth proportional to 118,335,670.86, 163,300,093.23 and 66,125,135.55 is: 91,250,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,335,670.86 : 163,300,093.23 = 66,125,135.55 : x
  2. Step 2: Convert to fraction form
    118,335,670.86/163,300,093.23 = 66,125,135.55/x
  3. Step 3: Cross multiply
    118,335,670.86x = 163,300,093.23 × 66,125,135.55
  4. Step 4: Simplify right side
    118,335,670.86x = 10,798,240,800,161,386
  5. Step 5: Solve for x
    x = 10,798,240,800,161,386/118,335,670.86
  6. Step 6: Final answer
    x = 91,250,936.61

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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.