Home / 84,032,012.80-126,048,019.20-41,476,211.20

Finding the Fourth Proportional to 84,032,012.80, 126,048,019.20 and 41,476,211.20

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Solution

The fourth proportional to 84,032,012.80, 126,048,019.20 and 41,476,211.20 is: 62,214,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,032,012.80 : 126,048,019.20 = 41,476,211.20 : x
  2. Step 2: Convert to fraction form
    84,032,012.80/126,048,019.20 = 41,476,211.20/x
  3. Step 3: Cross multiply
    84,032,012.80x = 126,048,019.20 × 41,476,211.20
  4. Step 4: Simplify right side
    84,032,012.80x = 5,227,994,265,680,856
  5. Step 5: Solve for x
    x = 5,227,994,265,680,856/84,032,012.80
  6. Step 6: Final answer
    x = 62,214,316.80

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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.