Finding the Fourth Proportional to 79,437,125.80, 119,155,688.70 and 49,204,037.80
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Solution
The fourth proportional to 79,437,125.80, 119,155,688.70 and 49,204,037.80 is: 73,806,056.70
Step by Step Solution
- Step 1: Write the proportion equation
79,437,125.80 : 119,155,688.70 = 49,204,037.80 : x - Step 2: Convert to fraction form
79,437,125.80/119,155,688.70 = 49,204,037.80/x - Step 3: Cross multiply
79,437,125.80x = 119,155,688.70 × 49,204,037.80 - Step 4: Simplify right side
79,437,125.80x = 5,862,941,010,879,833 - Step 5: Solve for x
x = 5,862,941,010,879,833/79,437,125.80 - Step 6: Final answer
x = 73,806,056.70
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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.