Finding the Fourth Proportional to 124,462,713.48, 171,754,044.54 and 68,706,936.96
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Solution
The fourth proportional to 124,462,713.48, 171,754,044.54 and 68,706,936.96 is: 94,813,088.84
Step by Step Solution
- Step 1: Write the proportion equation
124,462,713.48 : 171,754,044.54 = 68,706,936.96 : x - Step 2: Convert to fraction form
124,462,713.48/171,754,044.54 = 68,706,936.96/x - Step 3: Cross multiply
124,462,713.48x = 171,754,044.54 × 68,706,936.96 - Step 4: Simplify right side
124,462,713.48x = 11,800,694,310,834,810 - Step 5: Solve for x
x = 11,800,694,310,834,810/124,462,713.48 - Step 6: Final answer
x = 94,813,088.84
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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.