Home / 74,680,748.80-111,976,886.40-38,848,940.80

Finding the Fourth Proportional to 74,680,748.80, 111,976,886.40 and 38,848,940.80

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Solution

The fourth proportional to 74,680,748.80, 111,976,886.40 and 38,848,940.80 is: 58,250,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,680,748.80 : 111,976,886.40 = 38,848,940.80 : x
  2. Step 2: Convert to fraction form
    74,680,748.80/111,976,886.40 = 38,848,940.80/x
  3. Step 3: Cross multiply
    74,680,748.80x = 111,976,886.40 × 38,848,940.80
  4. Step 4: Simplify right side
    74,680,748.80x = 4,350,183,430,721,925
  5. Step 5: Solve for x
    x = 4,350,183,430,721,925/74,680,748.80
  6. Step 6: Final answer
    x = 58,250,399.21

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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.