Finding the Fourth Proportional to 144,887,729.60, 199,926,901.14 and 97,946,940.26
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Solution
The fourth proportional to 144,887,729.60, 199,926,901.14 and 97,946,940.26 is: 135,154,497.18
Step by Step Solution
- Step 1: Write the proportion equation
144,887,729.60 : 199,926,901.14 = 97,946,940.26 : x - Step 2: Convert to fraction form
144,887,729.60/199,926,901.14 = 97,946,940.26/x - Step 3: Cross multiply
144,887,729.60x = 199,926,901.14 × 97,946,940.26 - Step 4: Simplify right side
144,887,729.60x = 19,582,228,242,326,504 - Step 5: Solve for x
x = 19,582,228,242,326,504/144,887,729.60 - Step 6: Final answer
x = 135,154,497.18
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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.