Home / 208,450,181.28-287,662,548.24-115,636,571.04

Finding the Fourth Proportional to 208,450,181.28, 287,662,548.24 and 115,636,571.04

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Solution

The fourth proportional to 208,450,181.28, 287,662,548.24 and 115,636,571.04 is: 159,579,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,450,181.28 : 287,662,548.24 = 115,636,571.04 : x
  2. Step 2: Convert to fraction form
    208,450,181.28/287,662,548.24 = 115,636,571.04/x
  3. Step 3: Cross multiply
    208,450,181.28x = 287,662,548.24 × 115,636,571.04
  4. Step 4: Simplify right side
    208,450,181.28x = 33,264,310,695,102,188
  5. Step 5: Solve for x
    x = 33,264,310,695,102,188/208,450,181.28
  6. Step 6: Final answer
    x = 159,579,188.13

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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.