Home / 222,898,072.83-307,603,045.14-122,435,799.21

Finding the Fourth Proportional to 222,898,072.83, 307,603,045.14 and 122,435,799.21

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Solution

The fourth proportional to 222,898,072.83, 307,603,045.14 and 122,435,799.21 is: 168,963,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,898,072.83 : 307,603,045.14 = 122,435,799.21 : x
  2. Step 2: Convert to fraction form
    222,898,072.83/307,603,045.14 = 122,435,799.21/x
  3. Step 3: Cross multiply
    222,898,072.83x = 307,603,045.14 × 122,435,799.21
  4. Step 4: Simplify right side
    222,898,072.83x = 37,661,624,671,145,600
  5. Step 5: Solve for x
    x = 37,661,624,671,145,600/222,898,072.83
  6. Step 6: Final answer
    x = 168,963,437.83

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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.