Finding the Fourth Proportional to 76,998,060.84, 106,257,349.62 and 42,190,468.68
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Solution
The fourth proportional to 76,998,060.84, 106,257,349.62 and 42,190,468.68 is: 58,222,860.84
Step by Step Solution
- Step 1: Write the proportion equation
76,998,060.84 : 106,257,349.62 = 42,190,468.68 : x - Step 2: Convert to fraction form
76,998,060.84/106,257,349.62 = 42,190,468.68/x - Step 3: Cross multiply
76,998,060.84x = 106,257,349.62 × 42,190,468.68 - Step 4: Simplify right side
76,998,060.84x = 4,483,047,381,162,420 - Step 5: Solve for x
x = 4,483,047,381,162,420/76,998,060.84 - Step 6: Final answer
x = 58,222,860.84
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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.