Home / 155,545,661.20-233,318,491.80-147,987,389.20

Finding the Fourth Proportional to 155,545,661.20, 233,318,491.80 and 147,987,389.20

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Solution

The fourth proportional to 155,545,661.20, 233,318,491.80 and 147,987,389.20 is: 221,981,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,545,661.20 : 233,318,491.80 = 147,987,389.20 : x
  2. Step 2: Convert to fraction form
    155,545,661.20/233,318,491.80 = 147,987,389.20/x
  3. Step 3: Cross multiply
    155,545,661.20x = 233,318,491.80 × 147,987,389.20
  4. Step 4: Simplify right side
    155,545,661.20x = 34,528,194,453,563,608
  5. Step 5: Solve for x
    x = 34,528,194,453,563,608/155,545,661.20
  6. Step 6: Final answer
    x = 221,981,083.80

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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.