Finding the Fourth Proportional to 165,590,103.42, 228,515,853.96 and 91,253,331.17
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Solution
The fourth proportional to 165,590,103.42, 228,515,853.96 and 91,253,331.17 is: 125,930,429.82
Step by Step Solution
- Step 1: Write the proportion equation
165,590,103.42 : 228,515,853.96 = 91,253,331.17 : x - Step 2: Convert to fraction form
165,590,103.42/228,515,853.96 = 91,253,331.17/x - Step 3: Cross multiply
165,590,103.42x = 228,515,853.96 × 91,253,331.17 - Step 4: Simplify right side
165,590,103.42x = 20,852,832,897,864,660 - Step 5: Solve for x
x = 20,852,832,897,864,660/165,590,103.42 - Step 6: Final answer
x = 125,930,429.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.