Finding the Fourth Proportional to 79,713,073.40, 119,569,610.10 and 60,439,479.80
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Solution
The fourth proportional to 79,713,073.40, 119,569,610.10 and 60,439,479.80 is: 90,659,219.70
Step by Step Solution
- Step 1: Write the proportion equation
79,713,073.40 : 119,569,610.10 = 60,439,479.80 : x - Step 2: Convert to fraction form
79,713,073.40/119,569,610.10 = 60,439,479.80/x - Step 3: Cross multiply
79,713,073.40x = 119,569,610.10 × 60,439,479.80 - Step 4: Simplify right side
79,713,073.40x = 7,226,725,034,332,825 - Step 5: Solve for x
x = 7,226,725,034,332,825/79,713,073.40 - Step 6: Final answer
x = 90,659,219.70
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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.