Home / 216,021,318.89-298,110,172.79-116,902,041.44

Finding the Fourth Proportional to 216,021,318.89, 298,110,172.79 and 116,902,041.44

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Solution

The fourth proportional to 216,021,318.89, 298,110,172.79 and 116,902,041.44 is: 161,325,224.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,021,318.89 : 298,110,172.79 = 116,902,041.44 : x
  2. Step 2: Convert to fraction form
    216,021,318.89/298,110,172.79 = 116,902,041.44/x
  3. Step 3: Cross multiply
    216,021,318.89x = 298,110,172.79 × 116,902,041.44
  4. Step 4: Simplify right side
    216,021,318.89x = 34,849,687,773,182,144
  5. Step 5: Solve for x
    x = 34,849,687,773,182,144/216,021,318.89
  6. Step 6: Final answer
    x = 161,325,224.53

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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.