Home / 303,395,542.91-418,968,775.17-223,308,461.30

Finding the Fourth Proportional to 303,395,542.91, 418,968,775.17 and 223,308,461.30

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Solution

The fourth proportional to 303,395,542.91, 418,968,775.17 and 223,308,461.30 is: 308,373,918.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,395,542.91 : 418,968,775.17 = 223,308,461.30 : x
  2. Step 2: Convert to fraction form
    303,395,542.91/418,968,775.17 = 223,308,461.30/x
  3. Step 3: Cross multiply
    303,395,542.91x = 418,968,775.17 × 223,308,461.30
  4. Step 4: Simplify right side
    303,395,542.91x = 93,559,272,514,841,808
  5. Step 5: Solve for x
    x = 93,559,272,514,841,808/303,395,542.91
  6. Step 6: Final answer
    x = 308,373,918.81

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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.