Home / 159,760,615.26-239,788,217.28-81,032,379.60

Finding the Fourth Proportional to 159,760,615.26, 239,788,217.28 and 81,032,379.60

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Solution

The fourth proportional to 159,760,615.26, 239,788,217.28 and 81,032,379.60 is: 121,623,278.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,760,615.26 : 239,788,217.28 = 81,032,379.60 : x
  2. Step 2: Convert to fraction form
    159,760,615.26/239,788,217.28 = 81,032,379.60/x
  3. Step 3: Cross multiply
    159,760,615.26x = 239,788,217.28 × 81,032,379.60
  4. Step 4: Simplify right side
    159,760,615.26x = 19,430,609,846,240,240
  5. Step 5: Solve for x
    x = 19,430,609,846,240,240/159,760,615.26
  6. Step 6: Final answer
    x = 121,623,278.77

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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.