Finding the Fourth Proportional to 235,752,139.93, 325,355,148.17 and 136,658,470.09
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Solution
The fourth proportional to 235,752,139.93, 325,355,148.17 and 136,658,470.09 is: 188,598,656.19
Step by Step Solution
- Step 1: Write the proportion equation
235,752,139.93 : 325,355,148.17 = 136,658,470.09 : x - Step 2: Convert to fraction form
235,752,139.93/325,355,148.17 = 136,658,470.09/x - Step 3: Cross multiply
235,752,139.93x = 325,355,148.17 × 136,658,470.09 - Step 4: Simplify right side
235,752,139.93x = 44,462,536,784,817,464 - Step 5: Solve for x
x = 44,462,536,784,817,464/235,752,139.93 - Step 6: Final answer
x = 188,598,656.19
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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.