Home / 289,892,253.22-434,704,010.55-108,090,617.38

Finding the Fourth Proportional to 289,892,253.22, 434,704,010.55 and 108,090,617.38

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Solution

The fourth proportional to 289,892,253.22, 434,704,010.55 and 108,090,617.38 is: 162,085,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,892,253.22 : 434,704,010.55 = 108,090,617.38 : x
  2. Step 2: Convert to fraction form
    289,892,253.22/434,704,010.55 = 108,090,617.38/x
  3. Step 3: Cross multiply
    289,892,253.22x = 434,704,010.55 × 108,090,617.38
  4. Step 4: Simplify right side
    289,892,253.22x = 46,987,424,877,911,536
  5. Step 5: Solve for x
    x = 46,987,424,877,911,536/289,892,253.22
  6. Step 6: Final answer
    x = 162,085,824.50

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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.