Finding the Fourth Proportional to 118,340,998.20, 177,511,497.30 and 96,817,637.70
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Solution
The fourth proportional to 118,340,998.20, 177,511,497.30 and 96,817,637.70 is: 145,226,456.55
Step by Step Solution
- Step 1: Write the proportion equation
118,340,998.20 : 177,511,497.30 = 96,817,637.70 : x - Step 2: Convert to fraction form
118,340,998.20/177,511,497.30 = 96,817,637.70/x - Step 3: Cross multiply
118,340,998.20x = 177,511,497.30 × 96,817,637.70 - Step 4: Simplify right side
118,340,998.20x = 17,186,243,833,175,930 - Step 5: Solve for x
x = 17,186,243,833,175,930/118,340,998.20 - Step 6: Final answer
x = 145,226,456.55
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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.