Home / 257,254,255.53-385,880,619.81-73,021,887.60

Finding the Fourth Proportional to 257,254,255.53, 385,880,619.81 and 73,021,887.60

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Solution

The fourth proportional to 257,254,255.53, 385,880,619.81 and 73,021,887.60 is: 109,532,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,254,255.53 : 385,880,619.81 = 73,021,887.60 : x
  2. Step 2: Convert to fraction form
    257,254,255.53/385,880,619.81 = 73,021,887.60/x
  3. Step 3: Cross multiply
    257,254,255.53x = 385,880,619.81 × 73,021,887.60
  4. Step 4: Simplify right side
    257,254,255.53x = 28,177,731,246,784,152
  5. Step 5: Solve for x
    x = 28,177,731,246,784,152/257,254,255.53
  6. Step 6: Final answer
    x = 109,532,614.68

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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.