Home / 121,250,951.72-167,326,374.47-65,496,369.24

Finding the Fourth Proportional to 121,250,951.72, 167,326,374.47 and 65,496,369.24

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Solution

The fourth proportional to 121,250,951.72, 167,326,374.47 and 65,496,369.24 is: 90,385,022.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,250,951.72 : 167,326,374.47 = 65,496,369.24 : x
  2. Step 2: Convert to fraction form
    121,250,951.72/167,326,374.47 = 65,496,369.24/x
  3. Step 3: Cross multiply
    121,250,951.72x = 167,326,374.47 × 65,496,369.24
  4. Step 4: Simplify right side
    121,250,951.72x = 10,959,270,005,877,630
  5. Step 5: Solve for x
    x = 10,959,270,005,877,630/121,250,951.72
  6. Step 6: Final answer
    x = 90,385,022.55

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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.