Home / 290,995,930.35-401,514,437.31-167,212,692.63

Finding the Fourth Proportional to 290,995,930.35, 401,514,437.31 and 167,212,692.63

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Solution

The fourth proportional to 290,995,930.35, 401,514,437.31 and 167,212,692.63 is: 230,719,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,995,930.35 : 401,514,437.31 = 167,212,692.63 : x
  2. Step 2: Convert to fraction form
    290,995,930.35/401,514,437.31 = 167,212,692.63/x
  3. Step 3: Cross multiply
    290,995,930.35x = 401,514,437.31 × 167,212,692.63
  4. Step 4: Simplify right side
    290,995,930.35x = 67,138,310,191,211,624
  5. Step 5: Solve for x
    x = 67,138,310,191,211,624/290,995,930.35
  6. Step 6: Final answer
    x = 230,719,069.20

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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.