Home / 54,438,916.80-81,563,896.80-45,935,860.80

Finding the Fourth Proportional to 54,438,916.80, 81,563,896.80 and 45,935,860.80

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Solution

The fourth proportional to 54,438,916.80, 81,563,896.80 and 45,935,860.80 is: 68,824,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,438,916.80 : 81,563,896.80 = 45,935,860.80 : x
  2. Step 2: Convert to fraction form
    54,438,916.80/81,563,896.80 = 45,935,860.80/x
  3. Step 3: Cross multiply
    54,438,916.80x = 81,563,896.80 × 45,935,860.80
  4. Step 4: Simplify right side
    54,438,916.80x = 3,746,707,809,710,365
  5. Step 5: Solve for x
    x = 3,746,707,809,710,365/54,438,916.80
  6. Step 6: Final answer
    x = 68,824,069.80

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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.