Home / 256,749,561.27-385,308,220.92-109,300,499.28

Finding the Fourth Proportional to 256,749,561.27, 385,308,220.92 and 109,300,499.28

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Solution

The fourth proportional to 256,749,561.27, 385,308,220.92 and 109,300,499.28 is: 164,029,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,749,561.27 : 385,308,220.92 = 109,300,499.28 : x
  2. Step 2: Convert to fraction form
    256,749,561.27/385,308,220.92 = 109,300,499.28/x
  3. Step 3: Cross multiply
    256,749,561.27x = 385,308,220.92 × 109,300,499.28
  4. Step 4: Simplify right side
    256,749,561.27x = 42,114,380,922,834,664
  5. Step 5: Solve for x
    x = 42,114,380,922,834,664/256,749,561.27
  6. Step 6: Final answer
    x = 164,029,027.80

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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.