Finding the Fourth Proportional to 85,417,235.80, 128,113,412.10 and 24,826,643.80
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Solution
The fourth proportional to 85,417,235.80, 128,113,412.10 and 24,826,643.80 is: 37,236,349.53
Step by Step Solution
- Step 1: Write the proportion equation
85,417,235.80 : 128,113,412.10 = 24,826,643.80 : x - Step 2: Convert to fraction form
85,417,235.80/128,113,412.10 = 24,826,643.80/x - Step 3: Cross multiply
85,417,235.80x = 128,113,412.10 × 24,826,643.80 - Step 4: Simplify right side
85,417,235.80x = 3,180,626,048,209,310 - Step 5: Solve for x
x = 3,180,626,048,209,310/85,417,235.80 - Step 6: Final answer
x = 37,236,349.53
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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.