Home / 290,810,546.85-401,316,650.11-165,362,752.05

Finding the Fourth Proportional to 290,810,546.85, 401,316,650.11 and 165,362,752.05

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Solution

The fourth proportional to 290,810,546.85, 401,316,650.11 and 165,362,752.05 is: 228,199,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,810,546.85 : 401,316,650.11 = 165,362,752.05 : x
  2. Step 2: Convert to fraction form
    290,810,546.85/401,316,650.11 = 165,362,752.05/x
  3. Step 3: Cross multiply
    290,810,546.85x = 401,316,650.11 × 165,362,752.05
  4. Step 4: Simplify right side
    290,810,546.85x = 66,362,825,705,676,544
  5. Step 5: Solve for x
    x = 66,362,825,705,676,544/290,810,546.85
  6. Step 6: Final answer
    x = 228,199,514.85

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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.