Finding the Fourth Proportional to 79,456,282.40, 119,184,423.60 and 47,207,655.20
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Solution
The fourth proportional to 79,456,282.40, 119,184,423.60 and 47,207,655.20 is: 70,811,482.80
Step by Step Solution
- Step 1: Write the proportion equation
79,456,282.40 : 119,184,423.60 = 47,207,655.20 : x - Step 2: Convert to fraction form
79,456,282.40/119,184,423.60 = 47,207,655.20/x - Step 3: Cross multiply
79,456,282.40x = 119,184,423.60 × 47,207,655.20 - Step 4: Simplify right side
79,456,282.40x = 5,626,417,174,519,543 - Step 5: Solve for x
x = 5,626,417,174,519,543/79,456,282.40 - Step 6: Final answer
x = 70,811,482.80
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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.