Home / 161,966,890.67-242,975,530.31-52,766,640.09

Finding the Fourth Proportional to 161,966,890.67, 242,975,530.31 and 52,766,640.09

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Solution

The fourth proportional to 161,966,890.67, 242,975,530.31 and 52,766,640.09 is: 79,158,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,966,890.67 : 242,975,530.31 = 52,766,640.09 : x
  2. Step 2: Convert to fraction form
    161,966,890.67/242,975,530.31 = 52,766,640.09/x
  3. Step 3: Cross multiply
    161,966,890.67x = 242,975,530.31 × 52,766,640.09
  4. Step 4: Simplify right side
    161,966,890.67x = 12,821,002,358,280,824
  5. Step 5: Solve for x
    x = 12,821,002,358,280,824/161,966,890.67
  6. Step 6: Final answer
    x = 79,158,168.10

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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.