Home / 307,959,676.92-424,841,897.03-272,713,401.72

Finding the Fourth Proportional to 307,959,676.92, 424,841,897.03 and 272,713,401.72

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Solution

The fourth proportional to 307,959,676.92, 424,841,897.03 and 272,713,401.72 is: 376,218,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,959,676.92 : 424,841,897.03 = 272,713,401.72 : x
  2. Step 2: Convert to fraction form
    307,959,676.92/424,841,897.03 = 272,713,401.72/x
  3. Step 3: Cross multiply
    307,959,676.92x = 424,841,897.03 × 272,713,401.72
  4. Step 4: Simplify right side
    307,959,676.92x = 115,860,078,930,865,696
  5. Step 5: Solve for x
    x = 115,860,078,930,865,696/307,959,676.92
  6. Step 6: Final answer
    x = 376,218,341.60

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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.