Finding the Fourth Proportional to 138,896,251.88, 208,324,097.55 and 40,501,518.08
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Solution
The fourth proportional to 138,896,251.88, 208,324,097.55 and 40,501,518.08 is: 60,746,363.48
Step by Step Solution
- Step 1: Write the proportion equation
138,896,251.88 : 208,324,097.55 = 40,501,518.08 : x - Step 2: Convert to fraction form
138,896,251.88/208,324,097.55 = 40,501,518.08/x - Step 3: Cross multiply
138,896,251.88x = 208,324,097.55 × 40,501,518.08 - Step 4: Simplify right side
138,896,251.88x = 8,437,442,203,315,622 - Step 5: Solve for x
x = 8,437,442,203,315,622/138,896,251.88 - Step 6: Final answer
x = 60,746,363.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.