Home / 55,133,812.95-82,581,145.20-45,567,874.95

Finding the Fourth Proportional to 55,133,812.95, 82,581,145.20 and 45,567,874.95

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Solution

The fourth proportional to 55,133,812.95, 82,581,145.20 and 45,567,874.95 is: 68,252,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,133,812.95 : 82,581,145.20 = 45,567,874.95 : x
  2. Step 2: Convert to fraction form
    55,133,812.95/82,581,145.20 = 45,567,874.95/x
  3. Step 3: Cross multiply
    55,133,812.95x = 82,581,145.20 × 45,567,874.95
  4. Step 4: Simplify right side
    55,133,812.95x = 3,763,047,297,701,393
  5. Step 5: Solve for x
    x = 3,763,047,297,701,393/55,133,812.95
  6. Step 6: Final answer
    x = 68,252,984.81

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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.