Home / 245,280,756.70-367,921,135.05-190,861,198.30

Finding the Fourth Proportional to 245,280,756.70, 367,921,135.05 and 190,861,198.30

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Solution

The fourth proportional to 245,280,756.70, 367,921,135.05 and 190,861,198.30 is: 286,291,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,280,756.70 : 367,921,135.05 = 190,861,198.30 : x
  2. Step 2: Convert to fraction form
    245,280,756.70/367,921,135.05 = 190,861,198.30/x
  3. Step 3: Cross multiply
    245,280,756.70x = 367,921,135.05 × 190,861,198.30
  4. Step 4: Simplify right side
    245,280,756.70x = 70,221,868,715,539,136
  5. Step 5: Solve for x
    x = 70,221,868,715,539,136/245,280,756.70
  6. Step 6: Final answer
    x = 286,291,797.45

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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.