Home / 158,032,043,760.29-218,083,670,486.02-85,774,108,417.69

Finding the Fourth Proportional to 158,032,043,760.29, 218,083,670,486.02 and 85,774,108,417.69

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Solution

The fourth proportional to 158,032,043,760.29, 218,083,670,486.02 and 85,774,108,417.69 is: 118,367,971,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,032,043,760.29 : 218,083,670,486.02 = 85,774,108,417.69 : x
  2. Step 2: Convert to fraction form
    158,032,043,760.29/218,083,670,486.02 = 85,774,108,417.69/x
  3. Step 3: Cross multiply
    158,032,043,760.29x = 218,083,670,486.02 × 85,774,108,417.69
  4. Step 4: Simplify right side
    158,032,043,760.29x = 18,705,932,396,394,568,482,816
  5. Step 5: Solve for x
    x = 18,705,932,396,394,568,482,816/158,032,043,760.29
  6. Step 6: Final answer
    x = 118,367,971,148.74

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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.