Finding the Fourth Proportional to 78,506,162.44, 117,772,035.28 and 23,179,590.06
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Solution
The fourth proportional to 78,506,162.44, 117,772,035.28 and 23,179,590.06 is: 34,773,161.92
Step by Step Solution
- Step 1: Write the proportion equation
78,506,162.44 : 117,772,035.28 = 23,179,590.06 : x - Step 2: Convert to fraction form
78,506,162.44/117,772,035.28 = 23,179,590.06/x - Step 3: Cross multiply
78,506,162.44x = 117,772,035.28 × 23,179,590.06 - Step 4: Simplify right side
78,506,162.44x = 2,729,907,498,322,257 - Step 5: Solve for x
x = 2,729,907,498,322,257/78,506,162.44 - Step 6: Final answer
x = 34,773,161.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.