Finding the Fourth Proportional to 74,758,941,356.05, 103,167,344,114.04 and 40,926,236,465.10
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Solution
The fourth proportional to 74,758,941,356.05, 103,167,344,114.04 and 40,926,236,465.10 is: 56,478,209,082.42
Step by Step Solution
- Step 1: Write the proportion equation
74,758,941,356.05 : 103,167,344,114.04 = 40,926,236,465.10 : x - Step 2: Convert to fraction form
74,758,941,356.05/103,167,344,114.04 = 40,926,236,465.10/x - Step 3: Cross multiply
74,758,941,356.05x = 103,167,344,114.04 × 40,926,236,465.10 - Step 4: Simplify right side
74,758,941,356.05x = 4,222,251,120,687,543,484,416 - Step 5: Solve for x
x = 4,222,251,120,687,543,484,416/74,758,941,356.05 - Step 6: Final answer
x = 56,478,209,082.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.