Finding the Fourth Proportional to 132,866,552.40, 199,299,828.60 and 98,429,175.60
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Solution
The fourth proportional to 132,866,552.40, 199,299,828.60 and 98,429,175.60 is: 147,643,763.40
Step by Step Solution
- Step 1: Write the proportion equation
132,866,552.40 : 199,299,828.60 = 98,429,175.60 : x - Step 2: Convert to fraction form
132,866,552.40/199,299,828.60 = 98,429,175.60/x - Step 3: Cross multiply
132,866,552.40x = 199,299,828.60 × 98,429,175.60 - Step 4: Simplify right side
132,866,552.40x = 19,616,917,826,319,300 - Step 5: Solve for x
x = 19,616,917,826,319,300/132,866,552.40 - Step 6: Final answer
x = 147,643,763.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.