Home / 275,342,729.83-412,892,896.70-145,920,017.36

Finding the Fourth Proportional to 275,342,729.83, 412,892,896.70 and 145,920,017.36

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Solution

The fourth proportional to 275,342,729.83, 412,892,896.70 and 145,920,017.36 is: 218,815,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,342,729.83 : 412,892,896.70 = 145,920,017.36 : x
  2. Step 2: Convert to fraction form
    275,342,729.83/412,892,896.70 = 145,920,017.36/x
  3. Step 3: Cross multiply
    275,342,729.83x = 412,892,896.70 × 145,920,017.36
  4. Step 4: Simplify right side
    275,342,729.83x = 60,249,338,655,681,720
  5. Step 5: Solve for x
    x = 60,249,338,655,681,720/275,342,729.83
  6. Step 6: Final answer
    x = 218,815,796.20

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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.