Home / 121,082,271.80-181,578,566.63-39,179,906.37

Finding the Fourth Proportional to 121,082,271.80, 181,578,566.63 and 39,179,906.37

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Solution

The fourth proportional to 121,082,271.80, 181,578,566.63 and 39,179,906.37 is: 58,755,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,082,271.80 : 181,578,566.63 = 39,179,906.37 : x
  2. Step 2: Convert to fraction form
    121,082,271.80/181,578,566.63 = 39,179,906.37/x
  3. Step 3: Cross multiply
    121,082,271.80x = 181,578,566.63 × 39,179,906.37
  4. Step 4: Simplify right side
    121,082,271.80x = 7,114,231,239,460,155
  5. Step 5: Solve for x
    x = 7,114,231,239,460,155/121,082,271.80
  6. Step 6: Final answer
    x = 58,755,349.85

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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.