Home / 268,775,849.20-403,238,423.40-115,495,337.20

Finding the Fourth Proportional to 268,775,849.20, 403,238,423.40 and 115,495,337.20

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Solution

The fourth proportional to 268,775,849.20, 403,238,423.40 and 115,495,337.20 is: 173,275,083.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,775,849.20 : 403,238,423.40 = 115,495,337.20 : x
  2. Step 2: Convert to fraction form
    268,775,849.20/403,238,423.40 = 115,495,337.20/x
  3. Step 3: Cross multiply
    268,775,849.20x = 403,238,423.40 × 115,495,337.20
  4. Step 4: Simplify right side
    268,775,849.20x = 46,572,157,682,579,368
  5. Step 5: Solve for x
    x = 46,572,157,682,579,368/268,775,849.20
  6. Step 6: Final answer
    x = 173,275,083.39

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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.