Home / 145,274,267.53-200,476,832.43-79,193,308.02

Finding the Fourth Proportional to 145,274,267.53, 200,476,832.43 and 79,193,308.02

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Solution

The fourth proportional to 145,274,267.53, 200,476,832.43 and 79,193,308.02 is: 109,285,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,274,267.53 : 200,476,832.43 = 79,193,308.02 : x
  2. Step 2: Convert to fraction form
    145,274,267.53/200,476,832.43 = 79,193,308.02/x
  3. Step 3: Cross multiply
    145,274,267.53x = 200,476,832.43 × 79,193,308.02
  4. Step 4: Simplify right side
    145,274,267.53x = 15,876,423,541,389,116
  5. Step 5: Solve for x
    x = 15,876,423,541,389,116/145,274,267.53
  6. Step 6: Final answer
    x = 109,285,861.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.