Home / 199,105,409.60-298,658,114.40-158,794,625.60

Finding the Fourth Proportional to 199,105,409.60, 298,658,114.40 and 158,794,625.60

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Solution

The fourth proportional to 199,105,409.60, 298,658,114.40 and 158,794,625.60 is: 238,191,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,105,409.60 : 298,658,114.40 = 158,794,625.60 : x
  2. Step 2: Convert to fraction form
    199,105,409.60/298,658,114.40 = 158,794,625.60/x
  3. Step 3: Cross multiply
    199,105,409.60x = 298,658,114.40 × 158,794,625.60
  4. Step 4: Simplify right side
    199,105,409.60x = 47,425,303,458,549,960
  5. Step 5: Solve for x
    x = 47,425,303,458,549,960/199,105,409.60
  6. Step 6: Final answer
    x = 238,191,938.40

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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.