Finding the Fourth Proportional to 73,299,183.48, 101,187,312.12 and 42,353,366.76
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Solution
The fourth proportional to 73,299,183.48, 101,187,312.12 and 42,353,366.76 is: 58,467,545.45
Step by Step Solution
- Step 1: Write the proportion equation
73,299,183.48 : 101,187,312.12 = 42,353,366.76 : x - Step 2: Convert to fraction form
73,299,183.48/101,187,312.12 = 42,353,366.76/x - Step 3: Cross multiply
73,299,183.48x = 101,187,312.12 × 42,353,366.76 - Step 4: Simplify right side
73,299,183.48x = 4,285,623,341,676,953 - Step 5: Solve for x
x = 4,285,623,341,676,953/73,299,183.48 - Step 6: Final answer
x = 58,467,545.45
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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.