Home / 121,171,415.79-181,757,127.64-30,295,004.79

Finding the Fourth Proportional to 121,171,415.79, 181,757,127.64 and 30,295,004.79

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Solution

The fourth proportional to 121,171,415.79, 181,757,127.64 and 30,295,004.79 is: 45,442,508.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,171,415.79 : 181,757,127.64 = 30,295,004.79 : x
  2. Step 2: Convert to fraction form
    121,171,415.79/181,757,127.64 = 30,295,004.79/x
  3. Step 3: Cross multiply
    121,171,415.79x = 181,757,127.64 × 30,295,004.79
  4. Step 4: Simplify right side
    121,171,415.79x = 5,506,333,052,470,441
  5. Step 5: Solve for x
    x = 5,506,333,052,470,441/121,171,415.79
  6. Step 6: Final answer
    x = 45,442,508.17

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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.