Finding the Fourth Proportional to 165,555,369.18, 228,473,459.20 and 92,216,491.74
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Solution
The fourth proportional to 165,555,369.18, 228,473,459.20 and 92,216,491.74 is: 127,262,685.39
Step by Step Solution
- Step 1: Write the proportion equation
165,555,369.18 : 228,473,459.20 = 92,216,491.74 : x - Step 2: Convert to fraction form
165,555,369.18/228,473,459.20 = 92,216,491.74/x - Step 3: Cross multiply
165,555,369.18x = 228,473,459.20 × 92,216,491.74 - Step 4: Simplify right side
165,555,369.18x = 21,069,020,863,126,024 - Step 5: Solve for x
x = 21,069,020,863,126,024/165,555,369.18 - Step 6: Final answer
x = 127,262,685.39
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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.