Finding the Fourth Proportional to 148,850,108.70, 205,413,320.30 and 82,769,188.17
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Solution
The fourth proportional to 148,850,108.70, 205,413,320.30 and 82,769,188.17 is: 114,221,574.37
Step by Step Solution
- Step 1: Write the proportion equation
148,850,108.70 : 205,413,320.30 = 82,769,188.17 : x - Step 2: Convert to fraction form
148,850,108.70/205,413,320.30 = 82,769,188.17/x - Step 3: Cross multiply
148,850,108.70x = 205,413,320.30 × 82,769,188.17 - Step 4: Simplify right side
148,850,108.70x = 17,001,893,761,125,044 - Step 5: Solve for x
x = 17,001,893,761,125,044/148,850,108.70 - Step 6: Final answer
x = 114,221,574.37
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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.