Home / 120,694,516.80-181,041,775.20-86,934,235.20

Finding the Fourth Proportional to 120,694,516.80, 181,041,775.20 and 86,934,235.20

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Solution

The fourth proportional to 120,694,516.80, 181,041,775.20 and 86,934,235.20 is: 130,401,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,694,516.80 : 181,041,775.20 = 86,934,235.20 : x
  2. Step 2: Convert to fraction form
    120,694,516.80/181,041,775.20 = 86,934,235.20/x
  3. Step 3: Cross multiply
    120,694,516.80x = 181,041,775.20 × 86,934,235.20
  4. Step 4: Simplify right side
    120,694,516.80x = 15,738,728,266,262,326
  5. Step 5: Solve for x
    x = 15,738,728,266,262,326/120,694,516.80
  6. Step 6: Final answer
    x = 130,401,352.80

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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.