Finding the Fourth Proportional to 74,560,900.68, 102,841,039.86 and 49,768,587.48
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Solution
The fourth proportional to 74,560,900.68, 102,841,039.86 and 49,768,587.48 is: 68,645,271.75
Step by Step Solution
- Step 1: Write the proportion equation
74,560,900.68 : 102,841,039.86 = 49,768,587.48 : x - Step 2: Convert to fraction form
74,560,900.68/102,841,039.86 = 49,768,587.48/x - Step 3: Cross multiply
74,560,900.68x = 102,841,039.86 × 49,768,587.48 - Step 4: Simplify right side
74,560,900.68x = 5,118,253,288,806,577 - Step 5: Solve for x
x = 5,118,253,288,806,577/74,560,900.68 - Step 6: Final answer
x = 68,645,271.75
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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.