Home / 153,923,714.45-212,412,100.61-83,358,751.27

Finding the Fourth Proportional to 153,923,714.45, 212,412,100.61 and 83,358,751.27

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Solution

The fourth proportional to 153,923,714.45, 212,412,100.61 and 83,358,751.27 is: 115,033,654.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,923,714.45 : 212,412,100.61 = 83,358,751.27 : x
  2. Step 2: Convert to fraction form
    153,923,714.45/212,412,100.61 = 83,358,751.27/x
  3. Step 3: Cross multiply
    153,923,714.45x = 212,412,100.61 × 83,358,751.27
  4. Step 4: Simplify right side
    153,923,714.45x = 17,706,407,461,487,206
  5. Step 5: Solve for x
    x = 17,706,407,461,487,206/153,923,714.45
  6. Step 6: Final answer
    x = 115,033,654.98

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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.