Finding the Fourth Proportional to 97,806,819.30, 146,710,228.95 and 52,457,187.30
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Solution
The fourth proportional to 97,806,819.30, 146,710,228.95 and 52,457,187.30 is: 78,685,780.95
Step by Step Solution
- Step 1: Write the proportion equation
97,806,819.30 : 146,710,228.95 = 52,457,187.30 : x - Step 2: Convert to fraction form
97,806,819.30/146,710,228.95 = 52,457,187.30/x - Step 3: Cross multiply
97,806,819.30x = 146,710,228.95 × 52,457,187.30 - Step 4: Simplify right side
97,806,819.30x = 7,696,005,958,856,031 - Step 5: Solve for x
x = 7,696,005,958,856,031/97,806,819.30 - Step 6: Final answer
x = 78,685,780.95
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1.5x scale
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.