Finding the Fourth Proportional to 101,107,365.84, 139,527,856.80 and 54,697,609.08
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Solution
The fourth proportional to 101,107,365.84, 139,527,856.80 and 54,697,609.08 is: 75,482,533.87
Step by Step Solution
- Step 1: Write the proportion equation
101,107,365.84 : 139,527,856.80 = 54,697,609.08 : x - Step 2: Convert to fraction form
101,107,365.84/139,527,856.80 = 54,697,609.08/x - Step 3: Cross multiply
101,107,365.84x = 139,527,856.80 × 54,697,609.08 - Step 4: Simplify right side
101,107,365.84x = 7,631,840,167,016,620 - Step 5: Solve for x
x = 7,631,840,167,016,620/101,107,365.84 - Step 6: Final answer
x = 75,482,533.87
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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.