Finding the Fourth Proportional to 66,335,987.79, 91,543,750.92 and 36,966,675.87
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Solution
The fourth proportional to 66,335,987.79, 91,543,750.92 and 36,966,675.87 is: 51,014,061.61
Step by Step Solution
- Step 1: Write the proportion equation
66,335,987.79 : 91,543,750.92 = 36,966,675.87 : x - Step 2: Convert to fraction form
66,335,987.79/91,543,750.92 = 36,966,675.87/x - Step 3: Cross multiply
66,335,987.79x = 91,543,750.92 × 36,966,675.87 - Step 4: Simplify right side
66,335,987.79x = 3,384,068,168,183,654 - Step 5: Solve for x
x = 3,384,068,168,183,654/66,335,987.79 - Step 6: Final answer
x = 51,014,061.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.