Finding the Fourth Proportional to 87,471,914.70, 120,710,426.24 and 47,779,430.24
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Solution
The fourth proportional to 87,471,914.70, 120,710,426.24 and 47,779,430.24 is: 65,935,167.99
Step by Step Solution
- Step 1: Write the proportion equation
87,471,914.70 : 120,710,426.24 = 47,779,430.24 : x - Step 2: Convert to fraction form
87,471,914.70/120,710,426.24 = 47,779,430.24/x - Step 3: Cross multiply
87,471,914.70x = 120,710,426.24 × 47,779,430.24 - Step 4: Simplify right side
87,471,914.70x = 5,767,475,389,774,745 - Step 5: Solve for x
x = 5,767,475,389,774,745/87,471,914.70 - Step 6: Final answer
x = 65,935,167.99
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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.