Home / 177,853,644.80-266,780,467.20-147,620,556.80

Finding the Fourth Proportional to 177,853,644.80, 266,780,467.20 and 147,620,556.80

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Solution

The fourth proportional to 177,853,644.80, 266,780,467.20 and 147,620,556.80 is: 221,430,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,853,644.80 : 266,780,467.20 = 147,620,556.80 : x
  2. Step 2: Convert to fraction form
    177,853,644.80/266,780,467.20 = 147,620,556.80/x
  3. Step 3: Cross multiply
    177,853,644.80x = 266,780,467.20 × 147,620,556.80
  4. Step 4: Simplify right side
    177,853,644.80x = 39,382,281,111,428,136
  5. Step 5: Solve for x
    x = 39,382,281,111,428,136/177,853,644.80
  6. Step 6: Final answer
    x = 221,430,835.20

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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.