Home / 103,686,649.20-155,529,973.80-87,058,450.80

Finding the Fourth Proportional to 103,686,649.20, 155,529,973.80 and 87,058,450.80

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Solution

The fourth proportional to 103,686,649.20, 155,529,973.80 and 87,058,450.80 is: 130,587,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,686,649.20 : 155,529,973.80 = 87,058,450.80 : x
  2. Step 2: Convert to fraction form
    103,686,649.20/155,529,973.80 = 87,058,450.80/x
  3. Step 3: Cross multiply
    103,686,649.20x = 155,529,973.80 × 87,058,450.80
  4. Step 4: Simplify right side
    103,686,649.20x = 13,540,198,571,992,590
  5. Step 5: Solve for x
    x = 13,540,198,571,992,590/103,686,649.20
  6. Step 6: Final answer
    x = 130,587,676.20

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Similar ratio
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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.