Finding the Fourth Proportional to 68,820,259,712.51, 94,959,350,936.99 and 38,335,684,687.98
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Solution
The fourth proportional to 68,820,259,712.51, 94,959,350,936.99 and 38,335,684,687.98 is: 52,896,221,997.74
Step by Step Solution
- Step 1: Write the proportion equation
68,820,259,712.51 : 94,959,350,936.99 = 38,335,684,687.98 : x - Step 2: Convert to fraction form
68,820,259,712.51/94,959,350,936.99 = 38,335,684,687.98/x - Step 3: Cross multiply
68,820,259,712.51x = 94,959,350,936.99 × 38,335,684,687.98 - Step 4: Simplify right side
68,820,259,712.51x = 3,640,331,735,695,020,261,376 - Step 5: Solve for x
x = 3,640,331,735,695,020,261,376/68,820,259,712.51 - Step 6: Final answer
x = 52,896,221,997.74
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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.