Home / 341,458,755.16-512,269,615.50-111,428,267.80

Finding the Fourth Proportional to 341,458,755.16, 512,269,615.50 and 111,428,267.80

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Solution

The fourth proportional to 341,458,755.16, 512,269,615.50 and 111,428,267.80 is: 167,168,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,458,755.16 : 512,269,615.50 = 111,428,267.80 : x
  2. Step 2: Convert to fraction form
    341,458,755.16/512,269,615.50 = 111,428,267.80/x
  3. Step 3: Cross multiply
    341,458,755.16x = 512,269,615.50 × 111,428,267.80
  4. Step 4: Simplify right side
    341,458,755.16x = 57,081,315,901,737,032
  5. Step 5: Solve for x
    x = 57,081,315,901,737,032/341,458,755.16
  6. Step 6: Final answer
    x = 167,168,991.98

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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.