Home / 130,487,560.56-180,079,297.82-80,943,897.20

Finding the Fourth Proportional to 130,487,560.56, 180,079,297.82 and 80,943,897.20

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Solution

The fourth proportional to 130,487,560.56, 180,079,297.82 and 80,943,897.20 is: 111,706,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,487,560.56 : 180,079,297.82 = 80,943,897.20 : x
  2. Step 2: Convert to fraction form
    130,487,560.56/180,079,297.82 = 80,943,897.20/x
  3. Step 3: Cross multiply
    130,487,560.56x = 180,079,297.82 × 80,943,897.20
  4. Step 4: Simplify right side
    130,487,560.56x = 14,576,320,170,209,202
  5. Step 5: Solve for x
    x = 14,576,320,170,209,202/130,487,560.56
  6. Step 6: Final answer
    x = 111,706,588.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.