Home / 155,409,144-214,458,985.68-85,793,026.56

Finding the Fourth Proportional to 155,409,144, 214,458,985.68 and 85,793,026.56

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Solution

The fourth proportional to 155,409,144, 214,458,985.68 and 85,793,026.56 is: 118,391,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,409,144 : 214,458,985.68 = 85,793,026.56 : x
  2. Step 2: Convert to fraction form
    155,409,144/214,458,985.68 = 85,793,026.56/x
  3. Step 3: Cross multiply
    155,409,144x = 214,458,985.68 × 85,793,026.56
  4. Step 4: Simplify right side
    155,409,144x = 18,399,085,454,474,900
  5. Step 5: Solve for x
    x = 18,399,085,454,474,900/155,409,144
  6. Step 6: Final answer
    x = 118,391,266.95

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1.5x scale

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.