Home / 54,319,097.70-81,478,646.55-28,809,929.70

Finding the Fourth Proportional to 54,319,097.70, 81,478,646.55 and 28,809,929.70

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Solution

The fourth proportional to 54,319,097.70, 81,478,646.55 and 28,809,929.70 is: 43,214,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319,097.70 : 81,478,646.55 = 28,809,929.70 : x
  2. Step 2: Convert to fraction form
    54,319,097.70/81,478,646.55 = 28,809,929.70/x
  3. Step 3: Cross multiply
    54,319,097.70x = 81,478,646.55 × 28,809,929.70
  4. Step 4: Simplify right side
    54,319,097.70x = 2,347,394,079,156,647.50
  5. Step 5: Solve for x
    x = 2,347,394,079,156,647.50/54,319,097.70
  6. Step 6: Final answer
    x = 43,214,894.55

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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.