Home / 159,760,617.26-239,788,220.28-81,032,381.60

Finding the Fourth Proportional to 159,760,617.26, 239,788,220.28 and 81,032,381.60

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Solution

The fourth proportional to 159,760,617.26, 239,788,220.28 and 81,032,381.60 is: 121,623,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,760,617.26 : 239,788,220.28 = 81,032,381.60 : x
  2. Step 2: Convert to fraction form
    159,760,617.26/239,788,220.28 = 81,032,381.60/x
  3. Step 3: Cross multiply
    159,760,617.26x = 239,788,220.28 × 81,032,381.60
  4. Step 4: Simplify right side
    159,760,617.26x = 19,430,610,568,913,816
  5. Step 5: Solve for x
    x = 19,430,610,568,913,816/159,760,617.26
  6. Step 6: Final answer
    x = 121,623,281.77

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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.