Finding the Fourth Proportional to 210,833,394.60, 290,953,055.52 and 121,475,953.44
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Solution
The fourth proportional to 210,833,394.60, 290,953,055.52 and 121,475,953.44 is: 167,638,527.53
Step by Step Solution
- Step 1: Write the proportion equation
210,833,394.60 : 290,953,055.52 = 121,475,953.44 : x - Step 2: Convert to fraction form
210,833,394.60/290,953,055.52 = 121,475,953.44/x - Step 3: Cross multiply
210,833,394.60x = 290,953,055.52 × 121,475,953.44 - Step 4: Simplify right side
210,833,394.60x = 35,343,799,825,573,252 - Step 5: Solve for x
x = 35,343,799,825,573,252/210,833,394.60 - Step 6: Final answer
x = 167,638,527.53
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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.