Finding the Fourth Proportional to 70,929,857.17, 97,880,983.29 and 41,580,737.31
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Solution
The fourth proportional to 70,929,857.17, 97,880,983.29 and 41,580,737.31 is: 57,380,116.31
Step by Step Solution
- Step 1: Write the proportion equation
70,929,857.17 : 97,880,983.29 = 41,580,737.31 : x - Step 2: Convert to fraction form
70,929,857.17/97,880,983.29 = 41,580,737.31/x - Step 3: Cross multiply
70,929,857.17x = 97,880,983.29 × 41,580,737.31 - Step 4: Simplify right side
70,929,857.17x = 4,069,963,454,122,379 - Step 5: Solve for x
x = 4,069,963,454,122,379/70,929,857.17 - Step 6: Final answer
x = 57,380,116.31
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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.