Home / 256,035,701.74-384,037,609.37-157,686,123.11

Finding the Fourth Proportional to 256,035,701.74, 384,037,609.37 and 157,686,123.11

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Solution

The fourth proportional to 256,035,701.74, 384,037,609.37 and 157,686,123.11 is: 236,519,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,035,701.74 : 384,037,609.37 = 157,686,123.11 : x
  2. Step 2: Convert to fraction form
    256,035,701.74/384,037,609.37 = 157,686,123.11/x
  3. Step 3: Cross multiply
    256,035,701.74x = 384,037,609.37 × 157,686,123.11
  4. Step 4: Simplify right side
    256,035,701.74x = 60,557,401,749,987,912
  5. Step 5: Solve for x
    x = 60,557,401,749,987,912/256,035,701.74
  6. Step 6: Final answer
    x = 236,519,365.61

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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.