Finding the Fourth Proportional to 157,762,090.20, 236,643,135.30 and 133,575,619.80
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Solution
The fourth proportional to 157,762,090.20, 236,643,135.30 and 133,575,619.80 is: 200,363,429.70
Step by Step Solution
- Step 1: Write the proportion equation
157,762,090.20 : 236,643,135.30 = 133,575,619.80 : x - Step 2: Convert to fraction form
157,762,090.20/236,643,135.30 = 133,575,619.80/x - Step 3: Cross multiply
157,762,090.20x = 236,643,135.30 × 133,575,619.80 - Step 4: Simplify right side
157,762,090.20x = 31,609,753,469,112,760 - Step 5: Solve for x
x = 31,609,753,469,112,760/157,762,090.20 - Step 6: Final answer
x = 200,363,429.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.