Finding the Fourth Proportional to 87,893,780.72, 121,282,268.88 and 48,190,863.28
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Solution
The fourth proportional to 87,893,780.72, 121,282,268.88 and 48,190,863.28 is: 66,497,278.76
Step by Step Solution
- Step 1: Write the proportion equation
87,893,780.72 : 121,282,268.88 = 48,190,863.28 : x - Step 2: Convert to fraction form
87,893,780.72/121,282,268.88 = 48,190,863.28/x - Step 3: Cross multiply
87,893,780.72x = 121,282,268.88 × 48,190,863.28 - Step 4: Simplify right side
87,893,780.72x = 5,844,697,237,884,279 - Step 5: Solve for x
x = 5,844,697,237,884,279/87,893,780.72 - Step 6: Final answer
x = 66,497,278.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.