Finding the Fourth Proportional to 135,335,624.84, 186,731,148.89 and 76,598,289.98
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Solution
The fourth proportional to 135,335,624.84, 186,731,148.89 and 76,598,289.98 is: 105,687,520.98
Step by Step Solution
- Step 1: Write the proportion equation
135,335,624.84 : 186,731,148.89 = 76,598,289.98 : x - Step 2: Convert to fraction form
135,335,624.84/186,731,148.89 = 76,598,289.98/x - Step 3: Cross multiply
135,335,624.84x = 186,731,148.89 × 76,598,289.98 - Step 4: Simplify right side
135,335,624.84x = 14,303,286,689,658,126 - Step 5: Solve for x
x = 14,303,286,689,658,126/135,335,624.84 - Step 6: Final answer
x = 105,687,520.98
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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.