Home / 172,958,444.84-238,675,525.54-103,382,185.96

Finding the Fourth Proportional to 172,958,444.84, 238,675,525.54 and 103,382,185.96

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Solution

The fourth proportional to 172,958,444.84, 238,675,525.54 and 103,382,185.96 is: 142,663,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,958,444.84 : 238,675,525.54 = 103,382,185.96 : x
  2. Step 2: Convert to fraction form
    172,958,444.84/238,675,525.54 = 103,382,185.96/x
  3. Step 3: Cross multiply
    172,958,444.84x = 238,675,525.54 × 103,382,185.96
  4. Step 4: Simplify right side
    172,958,444.84x = 24,674,797,565,477,008
  5. Step 5: Solve for x
    x = 24,674,797,565,477,008/172,958,444.84
  6. Step 6: Final answer
    x = 142,663,155.81

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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.