Home / 121,082,270.53-181,578,564.76-39,179,905.12

Finding the Fourth Proportional to 121,082,270.53, 181,578,564.76 and 39,179,905.12

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Solution

The fourth proportional to 121,082,270.53, 181,578,564.76 and 39,179,905.12 is: 58,755,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,082,270.53 : 181,578,564.76 = 39,179,905.12 : x
  2. Step 2: Convert to fraction form
    121,082,270.53/181,578,564.76 = 39,179,905.12/x
  3. Step 3: Cross multiply
    121,082,270.53x = 181,578,564.76 × 39,179,905.12
  4. Step 4: Simplify right side
    121,082,270.53x = 7,114,230,939,122,575
  5. Step 5: Solve for x
    x = 7,114,230,939,122,575/121,082,270.53
  6. Step 6: Final answer
    x = 58,755,347.98

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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.