Finding the Fourth Proportional to 97,679,817.40, 146,687,687.70 and 69,126,345.40
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Solution
The fourth proportional to 97,679,817.40, 146,687,687.70 and 69,126,345.40 is: 103,808,381.67
Step by Step Solution
- Step 1: Write the proportion equation
97,679,817.40 : 146,687,687.70 = 69,126,345.40 : x - Step 2: Convert to fraction form
97,679,817.40/146,687,687.70 = 69,126,345.40/x - Step 3: Cross multiply
97,679,817.40x = 146,687,687.70 × 69,126,345.40 - Step 4: Simplify right side
97,679,817.40x = 10,139,983,765,877,532 - Step 5: Solve for x
x = 10,139,983,765,877,532/97,679,817.40 - Step 6: Final answer
x = 103,808,381.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.