Finding the Fourth Proportional to 117,488,119.19, 162,137,980.12 and 70,452,850.46
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Solution
The fourth proportional to 117,488,119.19, 162,137,980.12 and 70,452,850.46 is: 97,227,557.52
Step by Step Solution
- Step 1: Write the proportion equation
117,488,119.19 : 162,137,980.12 = 70,452,850.46 : x - Step 2: Convert to fraction form
117,488,119.19/162,137,980.12 = 70,452,850.46/x - Step 3: Cross multiply
117,488,119.19x = 162,137,980.12 × 70,452,850.46 - Step 4: Simplify right side
117,488,119.19x = 11,423,082,866,293,992 - Step 5: Solve for x
x = 11,423,082,866,293,992/117,488,119.19 - Step 6: Final answer
x = 97,227,557.52
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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.