Home / 209,955,749.20-314,933,623.80-133,050,331.60

Finding the Fourth Proportional to 209,955,749.20, 314,933,623.80 and 133,050,331.60

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Solution

The fourth proportional to 209,955,749.20, 314,933,623.80 and 133,050,331.60 is: 199,575,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,955,749.20 : 314,933,623.80 = 133,050,331.60 : x
  2. Step 2: Convert to fraction form
    209,955,749.20/314,933,623.80 = 133,050,331.60/x
  3. Step 3: Cross multiply
    209,955,749.20x = 314,933,623.80 × 133,050,331.60
  4. Step 4: Simplify right side
    209,955,749.20x = 41,902,023,078,579,648
  5. Step 5: Solve for x
    x = 41,902,023,078,579,648/209,955,749.20
  6. Step 6: Final answer
    x = 199,575,497.40

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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.