Finding the Fourth Proportional to 71,286,129,488.16, 106,929,214,046.56 and 26,511,776,076.96
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Solution
The fourth proportional to 71,286,129,488.16, 106,929,214,046.56 and 26,511,776,076.96 is: 39,767,671,484.51
Step by Step Solution
- Step 1: Write the proportion equation
71,286,129,488.16 : 106,929,214,046.56 = 26,511,776,076.96 : x - Step 2: Convert to fraction form
71,286,129,488.16/106,929,214,046.56 = 26,511,776,076.96/x - Step 3: Cross multiply
71,286,129,488.16x = 106,929,214,046.56 × 26,511,776,076.96 - Step 4: Simplify right side
71,286,129,488.16x = 2,834,883,378,887,724,630,016 - Step 5: Solve for x
x = 2,834,883,378,887,724,630,016/71,286,129,488.16 - Step 6: Final answer
x = 39,767,671,484.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.