Finding the Fourth Proportional to 124,574,730.44, 170,664,542.56 and 119,917,081.40
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Solution
The fourth proportional to 124,574,730.44, 170,664,542.56 and 119,917,081.40 is: 164,283,669.49
Step by Step Solution
- Step 1: Write the proportion equation
124,574,730.44 : 170,664,542.56 = 119,917,081.40 : x - Step 2: Convert to fraction form
124,574,730.44/170,664,542.56 = 119,917,081.40/x - Step 3: Cross multiply
124,574,730.44x = 170,664,542.56 × 119,917,081.40 - Step 4: Simplify right side
124,574,730.44x = 20,465,593,842,261,284 - Step 5: Solve for x
x = 20,465,593,842,261,284/124,574,730.44 - Step 6: Final answer
x = 164,283,669.49
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.