Home / 74,113,335.80-111,170,003.70-20,260,647.80

Finding the Fourth Proportional to 74,113,335.80, 111,170,003.70 and 20,260,647.80

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Solution

The fourth proportional to 74,113,335.80, 111,170,003.70 and 20,260,647.80 is: 30,390,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,113,335.80 : 111,170,003.70 = 20,260,647.80 : x
  2. Step 2: Convert to fraction form
    74,113,335.80/111,170,003.70 = 20,260,647.80/x
  3. Step 3: Cross multiply
    74,113,335.80x = 111,170,003.70 × 20,260,647.80
  4. Step 4: Simplify right side
    74,113,335.80x = 2,252,376,290,890,397
  5. Step 5: Solve for x
    x = 2,252,376,290,890,397/74,113,335.80
  6. Step 6: Final answer
    x = 30,390,971.70

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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.