Home / 308,021,835.38-425,070,137.68-168,798,076.34

Finding the Fourth Proportional to 308,021,835.38, 425,070,137.68 and 168,798,076.34

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Solution

The fourth proportional to 308,021,835.38, 425,070,137.68 and 168,798,076.34 is: 232,941,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,021,835.38 : 425,070,137.68 = 168,798,076.34 : x
  2. Step 2: Convert to fraction form
    308,021,835.38/425,070,137.68 = 168,798,076.34/x
  3. Step 3: Cross multiply
    308,021,835.38x = 425,070,137.68 × 168,798,076.34
  4. Step 4: Simplify right side
    308,021,835.38x = 71,751,021,547,415,608
  5. Step 5: Solve for x
    x = 71,751,021,547,415,608/308,021,835.38
  6. Step 6: Final answer
    x = 232,941,348.01

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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.