Finding the Fourth Proportional to 98,645,291.87, 148,000,799.16 and 33,072,918.12
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Solution
The fourth proportional to 98,645,291.87, 148,000,799.16 and 33,072,918.12 is: 49,620,394.65
Step by Step Solution
- Step 1: Write the proportion equation
98,645,291.87 : 148,000,799.16 = 33,072,918.12 : x - Step 2: Convert to fraction form
98,645,291.87/148,000,799.16 = 33,072,918.12/x - Step 3: Cross multiply
98,645,291.87x = 148,000,799.16 × 33,072,918.12 - Step 4: Simplify right side
98,645,291.87x = 4,894,818,312,313,245 - Step 5: Solve for x
x = 4,894,818,312,313,245/98,645,291.87 - Step 6: Final answer
x = 49,620,394.65
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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.