Finding the Fourth Proportional to 48,509,769.60, 72,658,366.20 and 43,124,500.80
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Solution
The fourth proportional to 48,509,769.60, 72,658,366.20 and 43,124,500.80 is: 64,592,262.49
Step by Step Solution
- Step 1: Write the proportion equation
48,509,769.60 : 72,658,366.20 = 43,124,500.80 : x - Step 2: Convert to fraction form
48,509,769.60/72,658,366.20 = 43,124,500.80/x - Step 3: Cross multiply
48,509,769.60x = 72,658,366.20 × 43,124,500.80 - Step 4: Simplify right side
48,509,769.60x = 3,133,355,771,318,593 - Step 5: Solve for x
x = 3,133,355,771,318,593/48,509,769.60 - Step 6: Final answer
x = 64,592,262.49
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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.