Home / 251,373,144.12-346,889,501.76-145,531,022.88

Finding the Fourth Proportional to 251,373,144.12, 346,889,501.76 and 145,531,022.88

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Solution

The fourth proportional to 251,373,144.12, 346,889,501.76 and 145,531,022.88 is: 200,829,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,373,144.12 : 346,889,501.76 = 145,531,022.88 : x
  2. Step 2: Convert to fraction form
    251,373,144.12/346,889,501.76 = 145,531,022.88/x
  3. Step 3: Cross multiply
    251,373,144.12x = 346,889,501.76 × 145,531,022.88
  4. Step 4: Simplify right side
    251,373,144.12x = 50,483,184,017,466,360
  5. Step 5: Solve for x
    x = 50,483,184,017,466,360/251,373,144.12
  6. Step 6: Final answer
    x = 200,829,663.78

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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.