Finding the Fourth Proportional to 75,675,607.74, 104,432,334.57 and 40,868,294.76
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Solution
The fourth proportional to 75,675,607.74, 104,432,334.57 and 40,868,294.76 is: 56,398,244.55
Step by Step Solution
- Step 1: Write the proportion equation
75,675,607.74 : 104,432,334.57 = 40,868,294.76 : x - Step 2: Convert to fraction form
75,675,607.74/104,432,334.57 = 40,868,294.76/x - Step 3: Cross multiply
75,675,607.74x = 104,432,334.57 × 40,868,294.76 - Step 4: Simplify right side
75,675,607.74x = 4,267,971,431,681,697.50 - Step 5: Solve for x
x = 4,267,971,431,681,697.50/75,675,607.74 - Step 6: Final answer
x = 56,398,244.55
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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.