Finding the Fourth Proportional to 69,877,606.19, 96,431,477.85 and 40,526,340.28
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Solution
The fourth proportional to 69,877,606.19, 96,431,477.85 and 40,526,340.28 is: 55,926,570.73
Step by Step Solution
- Step 1: Write the proportion equation
69,877,606.19 : 96,431,477.85 = 40,526,340.28 : x - Step 2: Convert to fraction form
69,877,606.19/96,431,477.85 = 40,526,340.28/x - Step 3: Cross multiply
69,877,606.19x = 96,431,477.85 × 40,526,340.28 - Step 4: Simplify right side
69,877,606.19x = 3,908,014,884,811,304 - Step 5: Solve for x
x = 3,908,014,884,811,304/69,877,606.19 - Step 6: Final answer
x = 55,926,570.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.