Finding the Fourth Proportional to 66,270,157.19, 99,359,048.32 and 29,361,985.70
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Solution
The fourth proportional to 66,270,157.19, 99,359,048.32 and 29,361,985.70 is: 44,022,514.50
Step by Step Solution
- Step 1: Write the proportion equation
66,270,157.19 : 99,359,048.32 = 29,361,985.70 : x - Step 2: Convert to fraction form
66,270,157.19/99,359,048.32 = 29,361,985.70/x - Step 3: Cross multiply
66,270,157.19x = 99,359,048.32 × 29,361,985.70 - Step 4: Simplify right side
66,270,157.19x = 2,917,378,955,926,044 - Step 5: Solve for x
x = 2,917,378,955,926,044/66,270,157.19 - Step 6: Final answer
x = 44,022,514.50
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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.