Home / 51,143,756.81-76,716,300.02-17,065,102.68

Finding the Fourth Proportional to 51,143,756.81, 76,716,300.02 and 17,065,102.68

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Solution

The fourth proportional to 51,143,756.81, 76,716,300.02 and 17,065,102.68 is: 25,597,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,143,756.81 : 76,716,300.02 = 17,065,102.68 : x
  2. Step 2: Convert to fraction form
    51,143,756.81/76,716,300.02 = 17,065,102.68/x
  3. Step 3: Cross multiply
    51,143,756.81x = 76,716,300.02 × 17,065,102.68
  4. Step 4: Simplify right side
    51,143,756.81x = 1,309,171,536,985,660.50
  5. Step 5: Solve for x
    x = 1,309,171,536,985,660.50/51,143,756.81
  6. Step 6: Final answer
    x = 25,597,875.85

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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.