Finding the Fourth Proportional to 165,619,492.39, 228,551,929.76 and 90,266,495.99
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Solution
The fourth proportional to 165,619,492.39, 228,551,929.76 and 90,266,495.99 is: 124,566,145.88
Step by Step Solution
- Step 1: Write the proportion equation
165,619,492.39 : 228,551,929.76 = 90,266,495.99 : x - Step 2: Convert to fraction form
165,619,492.39/228,551,929.76 = 90,266,495.99/x - Step 3: Cross multiply
165,619,492.39x = 228,551,929.76 × 90,266,495.99 - Step 4: Simplify right side
165,619,492.39x = 20,630,581,850,270,708 - Step 5: Solve for x
x = 20,630,581,850,270,708/165,619,492.39 - Step 6: Final answer
x = 124,566,145.88
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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.