Home / 290,751,263.98-401,241,455.42-158,592,220.85

Finding the Fourth Proportional to 290,751,263.98, 401,241,455.42 and 158,592,220.85

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Solution

The fourth proportional to 290,751,263.98, 401,241,455.42 and 158,592,220.85 is: 218,859,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,751,263.98 : 401,241,455.42 = 158,592,220.85 : x
  2. Step 2: Convert to fraction form
    290,751,263.98/401,241,455.42 = 158,592,220.85/x
  3. Step 3: Cross multiply
    290,751,263.98x = 401,241,455.42 × 158,592,220.85
  4. Step 4: Simplify right side
    290,751,263.98x = 63,633,773,512,354,216
  5. Step 5: Solve for x
    x = 63,633,773,512,354,216/290,751,263.98
  6. Step 6: Final answer
    x = 218,859,834.49

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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.