Home / 190,324,112.40-262,647,274.86-107,817,897.12

Finding the Fourth Proportional to 190,324,112.40, 262,647,274.86 and 107,817,897.12

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Solution

The fourth proportional to 190,324,112.40, 262,647,274.86 and 107,817,897.12 is: 148,788,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,324,112.40 : 262,647,274.86 = 107,817,897.12 : x
  2. Step 2: Convert to fraction form
    190,324,112.40/262,647,274.86 = 107,817,897.12/x
  3. Step 3: Cross multiply
    190,324,112.40x = 262,647,274.86 × 107,817,897.12
  4. Step 4: Simplify right side
    190,324,112.40x = 28,318,076,859,703,844
  5. Step 5: Solve for x
    x = 28,318,076,859,703,844/190,324,112.40
  6. Step 6: Final answer
    x = 148,788,697.88

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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.