Home / 76,032,013.80-114,048,020.70-28,181,620.20

Finding the Fourth Proportional to 76,032,013.80, 114,048,020.70 and 28,181,620.20

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Solution

The fourth proportional to 76,032,013.80, 114,048,020.70 and 28,181,620.20 is: 42,272,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,032,013.80 : 114,048,020.70 = 28,181,620.20 : x
  2. Step 2: Convert to fraction form
    76,032,013.80/114,048,020.70 = 28,181,620.20/x
  3. Step 3: Cross multiply
    76,032,013.80x = 114,048,020.70 × 28,181,620.20
  4. Step 4: Simplify right side
    76,032,013.80x = 3,214,058,003,929,138
  5. Step 5: Solve for x
    x = 3,214,058,003,929,138/76,032,013.80
  6. Step 6: Final answer
    x = 42,272,430.30

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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.