Finding the Fourth Proportional to 74,628,064.14, 102,985,328.61 and 41,587,585.44
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Solution
The fourth proportional to 74,628,064.14, 102,985,328.61 and 41,587,585.44 is: 57,390,087.79
Step by Step Solution
- Step 1: Write the proportion equation
74,628,064.14 : 102,985,328.61 = 41,587,585.44 : x - Step 2: Convert to fraction form
74,628,064.14/102,985,328.61 = 41,587,585.44/x - Step 3: Cross multiply
74,628,064.14x = 102,985,328.61 × 41,587,585.44 - Step 4: Simplify right side
74,628,064.14x = 4,282,911,152,634,851 - Step 5: Solve for x
x = 4,282,911,152,634,851/74,628,064.14 - Step 6: Final answer
x = 57,390,087.79
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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.