Home / 172,740,780.96-238,382,289-94,424,644.68

Finding the Fourth Proportional to 172,740,780.96, 238,382,289 and 94,424,644.68

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Solution

The fourth proportional to 172,740,780.96, 238,382,289 and 94,424,644.68 is: 130,306,015.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,740,780.96 : 238,382,289 = 94,424,644.68 : x
  2. Step 2: Convert to fraction form
    172,740,780.96/238,382,289 = 94,424,644.68/x
  3. Step 3: Cross multiply
    172,740,780.96x = 238,382,289 × 94,424,644.68
  4. Step 4: Simplify right side
    172,740,780.96x = 22,509,162,936,830,076
  5. Step 5: Solve for x
    x = 22,509,162,936,830,076/172,740,780.96
  6. Step 6: Final answer
    x = 130,306,015.82

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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.