Home / 290,810,545.85-401,316,648.73-165,362,751.05

Finding the Fourth Proportional to 290,810,545.85, 401,316,648.73 and 165,362,751.05

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Solution

The fourth proportional to 290,810,545.85, 401,316,648.73 and 165,362,751.05 is: 228,199,513.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,810,545.85 : 401,316,648.73 = 165,362,751.05 : x
  2. Step 2: Convert to fraction form
    290,810,545.85/401,316,648.73 = 165,362,751.05/x
  3. Step 3: Cross multiply
    290,810,545.85x = 401,316,648.73 × 165,362,751.05
  4. Step 4: Simplify right side
    290,810,545.85x = 66,362,825,073,739,296
  5. Step 5: Solve for x
    x = 66,362,825,073,739,296/290,810,545.85
  6. Step 6: Final answer
    x = 228,199,513.46

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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.