Home / 208,845,536.48-288,189,970.32-120,745,212.72

Finding the Fourth Proportional to 208,845,536.48, 288,189,970.32 and 120,745,212.72

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Solution

The fourth proportional to 208,845,536.48, 288,189,970.32 and 120,745,212.72 is: 166,618,640.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,845,536.48 : 288,189,970.32 = 120,745,212.72 : x
  2. Step 2: Convert to fraction form
    208,845,536.48/288,189,970.32 = 120,745,212.72/x
  3. Step 3: Cross multiply
    208,845,536.48x = 288,189,970.32 × 120,745,212.72
  4. Step 4: Simplify right side
    208,845,536.48x = 34,797,559,270,058,884
  5. Step 5: Solve for x
    x = 34,797,559,270,058,884/208,845,536.48
  6. Step 6: Final answer
    x = 166,618,640.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.