Finding the Fourth Proportional to 74,992,793.67, 112,387,053.96 and 42,218,994.87
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Solution
The fourth proportional to 74,992,793.67, 112,387,053.96 and 42,218,994.87 is: 63,270,992.08
Step by Step Solution
- Step 1: Write the proportion equation
74,992,793.67 : 112,387,053.96 = 42,218,994.87 : x - Step 2: Convert to fraction form
74,992,793.67/112,387,053.96 = 42,218,994.87/x - Step 3: Cross multiply
74,992,793.67x = 112,387,053.96 × 42,218,994.87 - Step 4: Simplify right side
74,992,793.67x = 4,744,868,454,591,653 - Step 5: Solve for x
x = 4,744,868,454,591,653/74,992,793.67 - Step 6: Final answer
x = 63,270,992.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.