Home / 53,180,322.31-73,388,845.02-28,734,036.31

Finding the Fourth Proportional to 53,180,322.31, 73,388,845.02 and 28,734,036.31

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Solution

The fourth proportional to 53,180,322.31, 73,388,845.02 and 28,734,036.31 is: 39,652,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180,322.31 : 73,388,845.02 = 28,734,036.31 : x
  2. Step 2: Convert to fraction form
    53,180,322.31/73,388,845.02 = 28,734,036.31/x
  3. Step 3: Cross multiply
    53,180,322.31x = 73,388,845.02 × 28,734,036.31
  4. Step 4: Simplify right side
    53,180,322.31x = 2,108,757,737,553,642.50
  5. Step 5: Solve for x
    x = 2,108,757,737,553,642.50/53,180,322.31
  6. Step 6: Final answer
    x = 39,652,970.23

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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.