Finding the Fourth Proportional to 121,668,661.44, 167,909,476.50 and 69,474,463.02
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Solution
The fourth proportional to 121,668,661.44, 167,909,476.50 and 69,474,463.02 is: 95,878,598.30
Step by Step Solution
- Step 1: Write the proportion equation
121,668,661.44 : 167,909,476.50 = 69,474,463.02 : x - Step 2: Convert to fraction form
121,668,661.44/167,909,476.50 = 69,474,463.02/x - Step 3: Cross multiply
121,668,661.44x = 167,909,476.50 × 69,474,463.02 - Step 4: Simplify right side
121,668,661.44x = 11,665,420,715,806,808 - Step 5: Solve for x
x = 11,665,420,715,806,808/121,668,661.44 - Step 6: Final answer
x = 95,878,598.30
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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.