Finding the Fourth Proportional to 213,124,946.24, 294,112,422.24 and 115,339,802.24
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Solution
The fourth proportional to 213,124,946.24, 294,112,422.24 and 115,339,802.24 is: 159,168,925.16
Step by Step Solution
- Step 1: Write the proportion equation
213,124,946.24 : 294,112,422.24 = 115,339,802.24 : x - Step 2: Convert to fraction form
213,124,946.24/294,112,422.24 = 115,339,802.24/x - Step 3: Cross multiply
213,124,946.24x = 294,112,422.24 × 115,339,802.24 - Step 4: Simplify right side
213,124,946.24x = 33,922,868,617,488,976 - Step 5: Solve for x
x = 33,922,868,617,488,976/213,124,946.24 - Step 6: Final answer
x = 159,168,925.16
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1.5x scale
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.