Finding the Fourth Proportional to 90,828,394.08, 125,343,304.56 and 58,233,345.12
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Solution
The fourth proportional to 90,828,394.08, 125,343,304.56 and 58,233,345.12 is: 80,362,093.67
Step by Step Solution
- Step 1: Write the proportion equation
90,828,394.08 : 125,343,304.56 = 58,233,345.12 : x - Step 2: Convert to fraction form
90,828,394.08/125,343,304.56 = 58,233,345.12/x - Step 3: Cross multiply
90,828,394.08x = 125,343,304.56 × 58,233,345.12 - Step 4: Simplify right side
90,828,394.08x = 7,299,159,912,923,750 - Step 5: Solve for x
x = 7,299,159,912,923,750/90,828,394.08 - Step 6: Final answer
x = 80,362,093.67
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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.