Home / 202,505,981.54-279,443,745.51-118,877,507.24

Finding the Fourth Proportional to 202,505,981.54, 279,443,745.51 and 118,877,507.24

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Solution

The fourth proportional to 202,505,981.54, 279,443,745.51 and 118,877,507.24 is: 164,042,442.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,505,981.54 : 279,443,745.51 = 118,877,507.24 : x
  2. Step 2: Convert to fraction form
    202,505,981.54/279,443,745.51 = 118,877,507.24/x
  3. Step 3: Cross multiply
    202,505,981.54x = 279,443,745.51 × 118,877,507.24
  4. Step 4: Simplify right side
    202,505,981.54x = 33,219,575,880,037,740
  5. Step 5: Solve for x
    x = 33,219,575,880,037,740/202,505,981.54
  6. Step 6: Final answer
    x = 164,042,442.73

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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.