Home / 51,589,860.80-77,272,816.80-42,631,908.80

Finding the Fourth Proportional to 51,589,860.80, 77,272,816.80 and 42,631,908.80

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Solution

The fourth proportional to 51,589,860.80, 77,272,816.80 and 42,631,908.80 is: 63,855,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,589,860.80 : 77,272,816.80 = 42,631,908.80 : x
  2. Step 2: Convert to fraction form
    51,589,860.80/77,272,816.80 = 42,631,908.80/x
  3. Step 3: Cross multiply
    51,589,860.80x = 77,272,816.80 × 42,631,908.80
  4. Step 4: Simplify right side
    51,589,860.80x = 3,294,287,678,536,707.50
  5. Step 5: Solve for x
    x = 3,294,287,678,536,707.50/51,589,860.80
  6. Step 6: Final answer
    x = 63,855,331.79

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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.