Finding the Fourth Proportional to 43,031,566.20, 64,460,258.10 and 26,807,719.80
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Solution
The fourth proportional to 43,031,566.20, 64,460,258.10 and 26,807,719.80 is: 40,157,323.80
Step by Step Solution
- Step 1: Write the proportion equation
43,031,566.20 : 64,460,258.10 = 26,807,719.80 : x - Step 2: Convert to fraction form
43,031,566.20/64,460,258.10 = 26,807,719.80/x - Step 3: Cross multiply
43,031,566.20x = 64,460,258.10 × 26,807,719.80 - Step 4: Simplify right side
43,031,566.20x = 1,728,032,537,380,480.50 - Step 5: Solve for x
x = 1,728,032,537,380,480.50/43,031,566.20 - Step 6: Final answer
x = 40,157,323.80
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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.