Finding the Fourth Proportional to 161,861,643,203.44, 223,371,712,106.40 and 88,616,651,964.88
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Solution
The fourth proportional to 161,861,643,203.44, 223,371,712,106.40 and 88,616,651,964.88 is: 122,292,427,524.99
Step by Step Solution
- Step 1: Write the proportion equation
161,861,643,203.44 : 223,371,712,106.40 = 88,616,651,964.88 : x - Step 2: Convert to fraction form
161,861,643,203.44/223,371,712,106.40 = 88,616,651,964.88/x - Step 3: Cross multiply
161,861,643,203.44x = 223,371,712,106.40 × 88,616,651,964.88 - Step 4: Simplify right side
161,861,643,203.44x = 19,794,453,270,532,221,566,976 - Step 5: Solve for x
x = 19,794,453,270,532,221,566,976/161,861,643,203.44 - Step 6: Final answer
x = 122,292,427,524.99
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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.