Home / 161,936,429.70-242,904,644.55-146,316,000.90

Finding the Fourth Proportional to 161,936,429.70, 242,904,644.55 and 146,316,000.90

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Solution

The fourth proportional to 161,936,429.70, 242,904,644.55 and 146,316,000.90 is: 219,474,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,936,429.70 : 242,904,644.55 = 146,316,000.90 : x
  2. Step 2: Convert to fraction form
    161,936,429.70/242,904,644.55 = 146,316,000.90/x
  3. Step 3: Cross multiply
    161,936,429.70x = 242,904,644.55 × 146,316,000.90
  4. Step 4: Simplify right side
    161,936,429.70x = 35,540,836,190,591,984
  5. Step 5: Solve for x
    x = 35,540,836,190,591,984/161,936,429.70
  6. Step 6: Final answer
    x = 219,474,001.35

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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.