Home / 161,936,386.20-242,904,579.30-146,315,957.40

Finding the Fourth Proportional to 161,936,386.20, 242,904,579.30 and 146,315,957.40

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Solution

The fourth proportional to 161,936,386.20, 242,904,579.30 and 146,315,957.40 is: 219,473,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,936,386.20 : 242,904,579.30 = 146,315,957.40 : x
  2. Step 2: Convert to fraction form
    161,936,386.20/242,904,579.30 = 146,315,957.40/x
  3. Step 3: Cross multiply
    161,936,386.20x = 242,904,579.30 × 146,315,957.40
  4. Step 4: Simplify right side
    161,936,386.20x = 35,540,816,077,123,724
  5. Step 5: Solve for x
    x = 35,540,816,077,123,724/161,936,386.20
  6. Step 6: Final answer
    x = 219,473,936.10

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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.