Home / 213,108,281.04-294,089,428.32-115,323,137.04

Finding the Fourth Proportional to 213,108,281.04, 294,089,428.32 and 115,323,137.04

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Solution

The fourth proportional to 213,108,281.04, 294,089,428.32 and 115,323,137.04 is: 159,145,929.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,108,281.04 : 294,089,428.32 = 115,323,137.04 : x
  2. Step 2: Convert to fraction form
    213,108,281.04/294,089,428.32 = 115,323,137.04/x
  3. Step 3: Cross multiply
    213,108,281.04x = 294,089,428.32 × 115,323,137.04
  4. Step 4: Simplify right side
    213,108,281.04x = 33,915,315,444,162,620
  5. Step 5: Solve for x
    x = 33,915,315,444,162,620/213,108,281.04
  6. Step 6: Final answer
    x = 159,145,929.38

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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.