Home / 188,440,116.80-282,450,223.20-73,386,420.80

Finding the Fourth Proportional to 188,440,116.80, 282,450,223.20 and 73,386,420.80

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Solution

The fourth proportional to 188,440,116.80, 282,450,223.20 and 73,386,420.80 is: 109,997,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,440,116.80 : 282,450,223.20 = 73,386,420.80 : x
  2. Step 2: Convert to fraction form
    188,440,116.80/282,450,223.20 = 73,386,420.80/x
  3. Step 3: Cross multiply
    188,440,116.80x = 282,450,223.20 × 73,386,420.80
  4. Step 4: Simplify right side
    188,440,116.80x = 20,728,010,934,809,120
  5. Step 5: Solve for x
    x = 20,728,010,934,809,120/188,440,116.80
  6. Step 6: Final answer
    x = 109,997,867.16

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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.