Home / 153,923,714.20-212,412,100.26-83,358,751.02

Finding the Fourth Proportional to 153,923,714.20, 212,412,100.26 and 83,358,751.02

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Solution

The fourth proportional to 153,923,714.20, 212,412,100.26 and 83,358,751.02 is: 115,033,654.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,923,714.20 : 212,412,100.26 = 83,358,751.02 : x
  2. Step 2: Convert to fraction form
    153,923,714.20/212,412,100.26 = 83,358,751.02/x
  3. Step 3: Cross multiply
    153,923,714.20x = 212,412,100.26 × 83,358,751.02
  4. Step 4: Simplify right side
    153,923,714.20x = 17,706,407,379,208,616
  5. Step 5: Solve for x
    x = 17,706,407,379,208,616/153,923,714.20
  6. Step 6: Final answer
    x = 115,033,654.63

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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.