Home / 199,359,940.60-299,173,658.10-69,967,300.60

Finding the Fourth Proportional to 199,359,940.60, 299,173,658.10 and 69,967,300.60

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Solution

The fourth proportional to 199,359,940.60, 299,173,658.10 and 69,967,300.60 is: 104,997,890.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,359,940.60 : 299,173,658.10 = 69,967,300.60 : x
  2. Step 2: Convert to fraction form
    199,359,940.60/299,173,658.10 = 69,967,300.60/x
  3. Step 3: Cross multiply
    199,359,940.60x = 299,173,658.10 × 69,967,300.60
  4. Step 4: Simplify right side
    199,359,940.60x = 20,932,373,267,884,324
  5. Step 5: Solve for x
    x = 20,932,373,267,884,324/199,359,940.60
  6. Step 6: Final answer
    x = 104,997,890.77

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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.