Home / 103,324,640-142,559,629.44-71,927,502.08

Finding the Fourth Proportional to 103,324,640, 142,559,629.44 and 71,927,502.08

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Solution

The fourth proportional to 103,324,640, 142,559,629.44 and 71,927,502.08 is: 99,240,201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,324,640 : 142,559,629.44 = 71,927,502.08 : x
  2. Step 2: Convert to fraction form
    103,324,640/142,559,629.44 = 71,927,502.08/x
  3. Step 3: Cross multiply
    103,324,640x = 142,559,629.44 × 71,927,502.08
  4. Step 4: Simplify right side
    103,324,640x = 10,253,958,043,069,628
  5. Step 5: Solve for x
    x = 10,253,958,043,069,628/103,324,640
  6. Step 6: Final answer
    x = 99,240,201.01

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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.