Home / 122,608,477.51-169,240,699.55-73,064,387.27

Finding the Fourth Proportional to 122,608,477.51, 169,240,699.55 and 73,064,387.27

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Solution

The fourth proportional to 122,608,477.51, 169,240,699.55 and 73,064,387.27 is: 100,853,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,608,477.51 : 169,240,699.55 = 73,064,387.27 : x
  2. Step 2: Convert to fraction form
    122,608,477.51/169,240,699.55 = 73,064,387.27/x
  3. Step 3: Cross multiply
    122,608,477.51x = 169,240,699.55 × 73,064,387.27
  4. Step 4: Simplify right side
    122,608,477.51x = 12,365,468,014,372,678
  5. Step 5: Solve for x
    x = 12,365,468,014,372,678/122,608,477.51
  6. Step 6: Final answer
    x = 100,853,287.36

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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.