Home / 74,128,768.80-111,195,493.28-25,609,386.48

Finding the Fourth Proportional to 74,128,768.80, 111,195,493.28 and 25,609,386.48

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Solution

The fourth proportional to 74,128,768.80, 111,195,493.28 and 25,609,386.48 is: 38,414,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,128,768.80 : 111,195,493.28 = 25,609,386.48 : x
  2. Step 2: Convert to fraction form
    74,128,768.80/111,195,493.28 = 25,609,386.48/x
  3. Step 3: Cross multiply
    74,128,768.80x = 111,195,493.28 × 25,609,386.48
  4. Step 4: Simplify right side
    74,128,768.80x = 2,847,648,362,241,763
  5. Step 5: Solve for x
    x = 2,847,648,362,241,763/74,128,768.80
  6. Step 6: Final answer
    x = 38,414,888.15

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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.