Home / 223,139,485.13-308,019,101.09-167,545,442.12

Finding the Fourth Proportional to 223,139,485.13, 308,019,101.09 and 167,545,442.12

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Solution

The fourth proportional to 223,139,485.13, 308,019,101.09 and 167,545,442.12 is: 231,277,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,139,485.13 : 308,019,101.09 = 167,545,442.12 : x
  2. Step 2: Convert to fraction form
    223,139,485.13/308,019,101.09 = 167,545,442.12/x
  3. Step 3: Cross multiply
    223,139,485.13x = 308,019,101.09 × 167,545,442.12
  4. Step 4: Simplify right side
    223,139,485.13x = 51,607,196,471,151,200
  5. Step 5: Solve for x
    x = 51,607,196,471,151,200/223,139,485.13
  6. Step 6: Final answer
    x = 231,277,742.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.