Home / 74,664,804.33-112,037,359.95-71,947,123.31

Finding the Fourth Proportional to 74,664,804.33, 112,037,359.95 and 71,947,123.31

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Solution

The fourth proportional to 74,664,804.33, 112,037,359.95 and 71,947,123.31 is: 107,959,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,664,804.33 : 112,037,359.95 = 71,947,123.31 : x
  2. Step 2: Convert to fraction form
    74,664,804.33/112,037,359.95 = 71,947,123.31/x
  3. Step 3: Cross multiply
    74,664,804.33x = 112,037,359.95 × 71,947,123.31
  4. Step 4: Simplify right side
    74,664,804.33x = 8,060,765,751,929,599
  5. Step 5: Solve for x
    x = 8,060,765,751,929,599/74,664,804.33
  6. Step 6: Final answer
    x = 107,959,376.90

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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.