Finding the Fourth Proportional to 117,216,454.52, 175,840,850.27 and 68,055,460.07
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Solution
The fourth proportional to 117,216,454.52, 175,840,850.27 and 68,055,460.07 is: 102,092,577.47
Step by Step Solution
- Step 1: Write the proportion equation
117,216,454.52 : 175,840,850.27 = 68,055,460.07 : x - Step 2: Convert to fraction form
117,216,454.52/175,840,850.27 = 68,055,460.07/x - Step 3: Cross multiply
117,216,454.52x = 175,840,850.27 × 68,055,460.07 - Step 4: Simplify right side
117,216,454.52x = 11,966,929,963,515,768 - Step 5: Solve for x
x = 11,966,929,963,515,768/117,216,454.52 - Step 6: Final answer
x = 102,092,577.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.