Home / 148,584,331.05-221,875,960.67-121,344,699.30

Finding the Fourth Proportional to 148,584,331.05, 221,875,960.67 and 121,344,699.30

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Solution

The fourth proportional to 148,584,331.05, 221,875,960.67 and 121,344,699.30 is: 181,199,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,584,331.05 : 221,875,960.67 = 121,344,699.30 : x
  2. Step 2: Convert to fraction form
    148,584,331.05/221,875,960.67 = 121,344,699.30/x
  3. Step 3: Cross multiply
    148,584,331.05x = 221,875,960.67 × 121,344,699.30
  4. Step 4: Simplify right side
    148,584,331.05x = 26,923,471,729,399,776
  5. Step 5: Solve for x
    x = 26,923,471,729,399,776/148,584,331.05
  6. Step 6: Final answer
    x = 181,199,939.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.