Home / 220,628,965.41-304,458,148.71-126,475,611.93

Finding the Fourth Proportional to 220,628,965.41, 304,458,148.71 and 126,475,611.93

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Solution

The fourth proportional to 220,628,965.41, 304,458,148.71 and 126,475,611.93 is: 174,530,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,628,965.41 : 304,458,148.71 = 126,475,611.93 : x
  2. Step 2: Convert to fraction form
    220,628,965.41/304,458,148.71 = 126,475,611.93/x
  3. Step 3: Cross multiply
    220,628,965.41x = 304,458,148.71 × 126,475,611.93
  4. Step 4: Simplify right side
    220,628,965.41x = 38,506,530,665,172,192
  5. Step 5: Solve for x
    x = 38,506,530,665,172,192/220,628,965.41
  6. Step 6: Final answer
    x = 174,530,713.11

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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.