Home / 161,936,334.20-242,904,501.30-146,315,905.40

Finding the Fourth Proportional to 161,936,334.20, 242,904,501.30 and 146,315,905.40

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Solution

The fourth proportional to 161,936,334.20, 242,904,501.30 and 146,315,905.40 is: 219,473,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,936,334.20 : 242,904,501.30 = 146,315,905.40 : x
  2. Step 2: Convert to fraction form
    161,936,334.20/242,904,501.30 = 146,315,905.40/x
  3. Step 3: Cross multiply
    161,936,334.20x = 242,904,501.30 × 146,315,905.40
  4. Step 4: Simplify right side
    161,936,334.20x = 35,540,792,033,444,980
  5. Step 5: Solve for x
    x = 35,540,792,033,444,980/161,936,334.20
  6. Step 6: Final answer
    x = 219,473,858.10

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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.