Finding the Fourth Proportional to 124,216,472.58, 171,411,737.01 and 68,461,724.10
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Solution
The fourth proportional to 124,216,472.58, 171,411,737.01 and 68,461,724.10 is: 94,473,323.89
Step by Step Solution
- Step 1: Write the proportion equation
124,216,472.58 : 171,411,737.01 = 68,461,724.10 : x - Step 2: Convert to fraction form
124,216,472.58/171,411,737.01 = 68,461,724.10/x - Step 3: Cross multiply
124,216,472.58x = 171,411,737.01 × 68,461,724.10 - Step 4: Simplify right side
124,216,472.58x = 11,735,143,046,680,378 - Step 5: Solve for x
x = 11,735,143,046,680,378/124,216,472.58 - Step 6: Final answer
x = 94,473,323.89
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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.