Home / 77,058,043.20-115,587,064.80-51,511,291.20

Finding the Fourth Proportional to 77,058,043.20, 115,587,064.80 and 51,511,291.20

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Solution

The fourth proportional to 77,058,043.20, 115,587,064.80 and 51,511,291.20 is: 77,266,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,058,043.20 : 115,587,064.80 = 51,511,291.20 : x
  2. Step 2: Convert to fraction form
    77,058,043.20/115,587,064.80 = 51,511,291.20/x
  3. Step 3: Cross multiply
    77,058,043.20x = 115,587,064.80 × 51,511,291.20
  4. Step 4: Simplify right side
    77,058,043.20x = 5,954,038,953,866,070
  5. Step 5: Solve for x
    x = 5,954,038,953,866,070/77,058,043.20
  6. Step 6: Final answer
    x = 77,266,936.80

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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.