Home / 86,621,463.90-130,005,679.05-35,540,142.30

Finding the Fourth Proportional to 86,621,463.90, 130,005,679.05 and 35,540,142.30

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Solution

The fourth proportional to 86,621,463.90, 130,005,679.05 and 35,540,142.30 is: 53,340,363.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,621,463.90 : 130,005,679.05 = 35,540,142.30 : x
  2. Step 2: Convert to fraction form
    86,621,463.90/130,005,679.05 = 35,540,142.30/x
  3. Step 3: Cross multiply
    86,621,463.90x = 130,005,679.05 × 35,540,142.30
  4. Step 4: Simplify right side
    86,621,463.90x = 4,620,420,333,245,128
  5. Step 5: Solve for x
    x = 4,620,420,333,245,128/86,621,463.90
  6. Step 6: Final answer
    x = 53,340,363.06

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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.