Finding the Fourth Proportional to 143,949,551,393.04, 198,554,729,726.31 and 92,573,066,052.99
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Solution
The fourth proportional to 143,949,551,393.04, 198,554,729,726.31 and 92,573,066,052.99 is: 127,689,318,460.61
Step by Step Solution
- Step 1: Write the proportion equation
143,949,551,393.04 : 198,554,729,726.31 = 92,573,066,052.99 : x - Step 2: Convert to fraction form
143,949,551,393.04/198,554,729,726.31 = 92,573,066,052.99/x - Step 3: Cross multiply
143,949,551,393.04x = 198,554,729,726.31 × 92,573,066,052.99 - Step 4: Simplify right side
143,949,551,393.04x = 18,380,820,110,087,274,102,784 - Step 5: Solve for x
x = 18,380,820,110,087,274,102,784/143,949,551,393.04 - Step 6: Final answer
x = 127,689,318,460.61
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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.