Finding the Fourth Proportional to 57,208,621.30, 85,808,995.35 and 18,346,506.10
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Solution
The fourth proportional to 57,208,621.30, 85,808,995.35 and 18,346,506.10 is: 27,518,496.70
Step by Step Solution
- Step 1: Write the proportion equation
57,208,621.30 : 85,808,995.35 = 18,346,506.10 : x - Step 2: Convert to fraction form
57,208,621.30/85,808,995.35 = 18,346,506.10/x - Step 3: Cross multiply
57,208,621.30x = 85,808,995.35 × 18,346,506.10 - Step 4: Simplify right side
57,208,621.30x = 1,574,295,256,623,646.75 - Step 5: Solve for x
x = 1,574,295,256,623,646.75/57,208,621.30 - Step 6: Final answer
x = 27,518,496.70
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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.