Finding the Fourth Proportional to 99,922,482.52, 137,850,801.58 and 66,893,373.12
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Solution
The fourth proportional to 99,922,482.52, 137,850,801.58 and 66,893,373.12 is: 92,284,587.74
Step by Step Solution
- Step 1: Write the proportion equation
99,922,482.52 : 137,850,801.58 = 66,893,373.12 : x - Step 2: Convert to fraction form
99,922,482.52/137,850,801.58 = 66,893,373.12/x - Step 3: Cross multiply
99,922,482.52x = 137,850,801.58 × 66,893,373.12 - Step 4: Simplify right side
99,922,482.52x = 9,221,305,104,982,026 - Step 5: Solve for x
x = 9,221,305,104,982,026/99,922,482.52 - Step 6: Final answer
x = 92,284,587.74
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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.