Home / 256,493,233.60-384,786,506.40-83,922,020.80

Finding the Fourth Proportional to 256,493,233.60, 384,786,506.40 and 83,922,020.80

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Solution

The fourth proportional to 256,493,233.60, 384,786,506.40 and 83,922,020.80 is: 125,898,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,493,233.60 : 384,786,506.40 = 83,922,020.80 : x
  2. Step 2: Convert to fraction form
    256,493,233.60/384,786,506.40 = 83,922,020.80/x
  3. Step 3: Cross multiply
    256,493,233.60x = 384,786,506.40 × 83,922,020.80
  4. Step 4: Simplify right side
    256,493,233.60x = 32,292,061,193,660,128
  5. Step 5: Solve for x
    x = 32,292,061,193,660,128/256,493,233.60
  6. Step 6: Final answer
    x = 125,898,296.58

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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.