Home / 256,984,699.46-385,477,039.46-75,231,877.46

Finding the Fourth Proportional to 256,984,699.46, 385,477,039.46 and 75,231,877.46

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Solution

The fourth proportional to 256,984,699.46, 385,477,039.46 and 75,231,877.46 is: 112,847,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,984,699.46 : 385,477,039.46 = 75,231,877.46 : x
  2. Step 2: Convert to fraction form
    256,984,699.46/385,477,039.46 = 75,231,877.46/x
  3. Step 3: Cross multiply
    256,984,699.46x = 385,477,039.46 × 75,231,877.46
  4. Step 4: Simplify right side
    256,984,699.46x = 29,000,161,394,558,996
  5. Step 5: Solve for x
    x = 29,000,161,394,558,996/256,984,699.46
  6. Step 6: Final answer
    x = 112,847,813.34

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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.