Home / 131,503,649.52-181,431,084.48-76,487,827.44

Finding the Fourth Proportional to 131,503,649.52, 181,431,084.48 and 76,487,827.44

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Solution

The fourth proportional to 131,503,649.52, 181,431,084.48 and 76,487,827.44 is: 105,527,637.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,503,649.52 : 181,431,084.48 = 76,487,827.44 : x
  2. Step 2: Convert to fraction form
    131,503,649.52/181,431,084.48 = 76,487,827.44/x
  3. Step 3: Cross multiply
    131,503,649.52x = 181,431,084.48 × 76,487,827.44
  4. Step 4: Simplify right side
    131,503,649.52x = 13,877,269,481,958,300
  5. Step 5: Solve for x
    x = 13,877,269,481,958,300/131,503,649.52
  6. Step 6: Final answer
    x = 105,527,637.69

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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.