Finding the Fourth Proportional to 75,675,948.04, 104,432,800.98 and 40,868,634.52
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Solution
The fourth proportional to 75,675,948.04, 104,432,800.98 and 40,868,634.52 is: 56,398,711.69
Step by Step Solution
- Step 1: Write the proportion equation
75,675,948.04 : 104,432,800.98 = 40,868,634.52 : x - Step 2: Convert to fraction form
75,675,948.04/104,432,800.98 = 40,868,634.52/x - Step 3: Cross multiply
75,675,948.04x = 104,432,800.98 × 40,868,634.52 - Step 4: Simplify right side
75,675,948.04x = 4,268,025,975,151,518.50 - Step 5: Solve for x
x = 4,268,025,975,151,518.50/75,675,948.04 - Step 6: Final answer
x = 56,398,711.69
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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.