Home / 74,664,805.96-112,037,362.39-71,947,124.94

Finding the Fourth Proportional to 74,664,805.96, 112,037,362.39 and 71,947,124.94

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Solution

The fourth proportional to 74,664,805.96, 112,037,362.39 and 71,947,124.94 is: 107,959,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,664,805.96 : 112,037,362.39 = 71,947,124.94 : x
  2. Step 2: Convert to fraction form
    74,664,805.96/112,037,362.39 = 71,947,124.94/x
  3. Step 3: Cross multiply
    74,664,805.96x = 112,037,362.39 × 71,947,124.94
  4. Step 4: Simplify right side
    74,664,805.96x = 8,060,766,109,821,387
  5. Step 5: Solve for x
    x = 8,060,766,109,821,387/74,664,805.96
  6. Step 6: Final answer
    x = 107,959,379.35

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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.