Home / 290,603,016.50-401,035,299.28-158,442,941.03

Finding the Fourth Proportional to 290,603,016.50, 401,035,299.28 and 158,442,941.03

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Solution

The fourth proportional to 290,603,016.50, 401,035,299.28 and 158,442,941.03 is: 218,652,968.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,603,016.50 : 401,035,299.28 = 158,442,941.03 : x
  2. Step 2: Convert to fraction form
    290,603,016.50/401,035,299.28 = 158,442,941.03/x
  3. Step 3: Cross multiply
    290,603,016.50x = 401,035,299.28 × 158,442,941.03
  4. Step 4: Simplify right side
    290,603,016.50x = 63,541,212,272,368,152
  5. Step 5: Solve for x
    x = 63,541,212,272,368,152/290,603,016.50
  6. Step 6: Final answer
    x = 218,652,968.71

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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.