Home / 275,342,729.69-412,892,896.38-145,920,017.22

Finding the Fourth Proportional to 275,342,729.69, 412,892,896.38 and 145,920,017.22

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Solution

The fourth proportional to 275,342,729.69, 412,892,896.38 and 145,920,017.22 is: 218,815,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,342,729.69 : 412,892,896.38 = 145,920,017.22 : x
  2. Step 2: Convert to fraction form
    275,342,729.69/412,892,896.38 = 145,920,017.22/x
  3. Step 3: Cross multiply
    275,342,729.69x = 412,892,896.38 × 145,920,017.22
  4. Step 4: Simplify right side
    275,342,729.69x = 60,249,338,549,785,272
  5. Step 5: Solve for x
    x = 60,249,338,549,785,272/275,342,729.69
  6. Step 6: Final answer
    x = 218,815,795.93

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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.