Finding the Fourth Proportional to 57,064,207.98, 85,610,254.20 and 18,202,666.72
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Solution
The fourth proportional to 57,064,207.98, 85,610,254.20 and 18,202,666.72 is: 27,308,447.45
Step by Step Solution
- Step 1: Write the proportion equation
57,064,207.98 : 85,610,254.20 = 18,202,666.72 : x - Step 2: Convert to fraction form
57,064,207.98/85,610,254.20 = 18,202,666.72/x - Step 3: Cross multiply
57,064,207.98x = 85,610,254.20 × 18,202,666.72 - Step 4: Simplify right side
57,064,207.98x = 1,558,334,925,017,080.25 - Step 5: Solve for x
x = 1,558,334,925,017,080.25/57,064,207.98 - Step 6: Final answer
x = 27,308,447.45
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1.5x scale
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.