Finding the Fourth Proportional to 174,553,940.12, 241,114,374.63 and 129,382,258.55
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Solution
The fourth proportional to 174,553,940.12, 241,114,374.63 and 129,382,258.55 is: 178,717,950.09
Step by Step Solution
- Step 1: Write the proportion equation
174,553,940.12 : 241,114,374.63 = 129,382,258.55 : x - Step 2: Convert to fraction form
174,553,940.12/241,114,374.63 = 129,382,258.55/x - Step 3: Cross multiply
174,553,940.12x = 241,114,374.63 × 129,382,258.55 - Step 4: Simplify right side
174,553,940.12x = 31,195,922,357,294,648 - Step 5: Solve for x
x = 31,195,922,357,294,648/174,553,940.12 - Step 6: Final answer
x = 178,717,950.09
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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.