Home / 174,496,844.20-261,742,808.70-78,758,578.60

Finding the Fourth Proportional to 174,496,844.20, 261,742,808.70 and 78,758,578.60

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Solution

The fourth proportional to 174,496,844.20, 261,742,808.70 and 78,758,578.60 is: 118,136,758.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,496,844.20 : 261,742,808.70 = 78,758,578.60 : x
  2. Step 2: Convert to fraction form
    174,496,844.20/261,742,808.70 = 78,758,578.60/x
  3. Step 3: Cross multiply
    174,496,844.20x = 261,742,808.70 × 78,758,578.60
  4. Step 4: Simplify right side
    174,496,844.20x = 20,614,491,571,983,712
  5. Step 5: Solve for x
    x = 20,614,491,571,983,712/174,496,844.20
  6. Step 6: Final answer
    x = 118,136,758.67

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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.