Finding the Fourth Proportional to 116,567,972.67, 160,877,908.62 and 66,344,403.06
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Solution
The fourth proportional to 116,567,972.67, 160,877,908.62 and 66,344,403.06 is: 91,563,304.81
Step by Step Solution
- Step 1: Write the proportion equation
116,567,972.67 : 160,877,908.62 = 66,344,403.06 : x - Step 2: Convert to fraction form
116,567,972.67/160,877,908.62 = 66,344,403.06/x - Step 3: Cross multiply
116,567,972.67x = 160,877,908.62 × 66,344,403.06 - Step 4: Simplify right side
116,567,972.67x = 10,673,348,812,935,130 - Step 5: Solve for x
x = 10,673,348,812,935,130/116,567,972.67 - Step 6: Final answer
x = 91,563,304.81
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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.