Finding the Fourth Proportional to 70,554,046.79, 97,367,317.70 and 39,194,476.94
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Solution
The fourth proportional to 70,554,046.79, 97,367,317.70 and 39,194,476.94 is: 54,089,896.49
Step by Step Solution
- Step 1: Write the proportion equation
70,554,046.79 : 97,367,317.70 = 39,194,476.94 : x - Step 2: Convert to fraction form
70,554,046.79/97,367,317.70 = 39,194,476.94/x - Step 3: Cross multiply
70,554,046.79x = 97,367,317.70 × 39,194,476.94 - Step 4: Simplify right side
70,554,046.79x = 3,816,261,087,619,495 - Step 5: Solve for x
x = 3,816,261,087,619,495/70,554,046.79 - Step 6: Final answer
x = 54,089,896.49
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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.