Home / 220,737,786.69-304,625,051.60-126,669,159.21

Finding the Fourth Proportional to 220,737,786.69, 304,625,051.60 and 126,669,159.21

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Solution

The fourth proportional to 220,737,786.69, 304,625,051.60 and 126,669,159.21 is: 174,807,402.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,737,786.69 : 304,625,051.60 = 126,669,159.21 : x
  2. Step 2: Convert to fraction form
    220,737,786.69/304,625,051.60 = 126,669,159.21/x
  3. Step 3: Cross multiply
    220,737,786.69x = 304,625,051.60 × 126,669,159.21
  4. Step 4: Simplify right side
    220,737,786.69x = 38,586,599,159,841,520
  5. Step 5: Solve for x
    x = 38,586,599,159,841,520/220,737,786.69
  6. Step 6: Final answer
    x = 174,807,402.66

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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.