Home / 248,362,505.12-342,755,306.52-136,853,211.08

Finding the Fourth Proportional to 248,362,505.12, 342,755,306.52 and 136,853,211.08

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Solution

The fourth proportional to 248,362,505.12, 342,755,306.52 and 136,853,211.08 is: 188,865,723.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,362,505.12 : 342,755,306.52 = 136,853,211.08 : x
  2. Step 2: Convert to fraction form
    248,362,505.12/342,755,306.52 = 136,853,211.08/x
  3. Step 3: Cross multiply
    248,362,505.12x = 342,755,306.52 × 136,853,211.08
  4. Step 4: Simplify right side
    248,362,505.12x = 46,907,164,311,971,664
  5. Step 5: Solve for x
    x = 46,907,164,311,971,664/248,362,505.12
  6. Step 6: Final answer
    x = 188,865,723.87

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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.