Home / 142,484,133.36-196,628,481.96-77,294,037.36

Finding the Fourth Proportional to 142,484,133.36, 196,628,481.96 and 77,294,037.36

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Solution

The fourth proportional to 142,484,133.36, 196,628,481.96 and 77,294,037.36 is: 106,665,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,484,133.36 : 196,628,481.96 = 77,294,037.36 : x
  2. Step 2: Convert to fraction form
    142,484,133.36/196,628,481.96 = 77,294,037.36/x
  3. Step 3: Cross multiply
    142,484,133.36x = 196,628,481.96 × 77,294,037.36
  4. Step 4: Simplify right side
    142,484,133.36x = 15,198,209,230,656,326
  5. Step 5: Solve for x
    x = 15,198,209,230,656,326/142,484,133.36
  6. Step 6: Final answer
    x = 106,665,976.57

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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.