Home / 185,809,551.67-256,354,419.40-105,332,909.83

Finding the Fourth Proportional to 185,809,551.67, 256,354,419.40 and 105,332,909.83

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Solution

The fourth proportional to 185,809,551.67, 256,354,419.40 and 105,332,909.83 is: 145,323,836.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,809,551.67 : 256,354,419.40 = 105,332,909.83 : x
  2. Step 2: Convert to fraction form
    185,809,551.67/256,354,419.40 = 105,332,909.83/x
  3. Step 3: Cross multiply
    185,809,551.67x = 256,354,419.40 × 105,332,909.83
  4. Step 4: Simplify right side
    185,809,551.67x = 27,002,556,943,182,204
  5. Step 5: Solve for x
    x = 27,002,556,943,182,204/185,809,551.67
  6. Step 6: Final answer
    x = 145,323,836.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.