Home / 222,968,228.40-334,322,172.36-86,494,140.72

Finding the Fourth Proportional to 222,968,228.40, 334,322,172.36 and 86,494,140.72

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Solution

The fourth proportional to 222,968,228.40, 334,322,172.36 and 86,494,140.72 is: 129,690,715.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,968,228.40 : 334,322,172.36 = 86,494,140.72 : x
  2. Step 2: Convert to fraction form
    222,968,228.40/334,322,172.36 = 86,494,140.72/x
  3. Step 3: Cross multiply
    222,968,228.40x = 334,322,172.36 × 86,494,140.72
  4. Step 4: Simplify right side
    222,968,228.40x = 28,916,909,021,921,936
  5. Step 5: Solve for x
    x = 28,916,909,021,921,936/222,968,228.40
  6. Step 6: Final answer
    x = 129,690,715.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.