Home / 257,254,250.27-385,880,611.93-73,021,882.35

Finding the Fourth Proportional to 257,254,250.27, 385,880,611.93 and 73,021,882.35

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Solution

The fourth proportional to 257,254,250.27, 385,880,611.93 and 73,021,882.35 is: 109,532,606.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,254,250.27 : 385,880,611.93 = 73,021,882.35 : x
  2. Step 2: Convert to fraction form
    257,254,250.27/385,880,611.93 = 73,021,882.35/x
  3. Step 3: Cross multiply
    257,254,250.27x = 385,880,611.93 × 73,021,882.35
  4. Step 4: Simplify right side
    257,254,250.27x = 28,177,728,645,315,912
  5. Step 5: Solve for x
    x = 28,177,728,645,315,912/257,254,250.27
  6. Step 6: Final answer
    x = 109,532,606.81

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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.