Home / 105,536,127.20-158,304,190.80-51,788,415.20

Finding the Fourth Proportional to 105,536,127.20, 158,304,190.80 and 51,788,415.20

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Solution

The fourth proportional to 105,536,127.20, 158,304,190.80 and 51,788,415.20 is: 77,682,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,536,127.20 : 158,304,190.80 = 51,788,415.20 : x
  2. Step 2: Convert to fraction form
    105,536,127.20/158,304,190.80 = 51,788,415.20/x
  3. Step 3: Cross multiply
    105,536,127.20x = 158,304,190.80 × 51,788,415.20
  4. Step 4: Simplify right side
    105,536,127.20x = 8,198,323,161,050,421
  5. Step 5: Solve for x
    x = 8,198,323,161,050,421/105,536,127.20
  6. Step 6: Final answer
    x = 77,682,622.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.