Finding the Fourth Proportional to 49,648,402.11, 68,486,264.37 and 31,031,232.45
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Solution
The fourth proportional to 49,648,402.11, 68,486,264.37 and 31,031,232.45 is: 42,805,268.63
Step by Step Solution
- Step 1: Write the proportion equation
49,648,402.11 : 68,486,264.37 = 31,031,232.45 : x - Step 2: Convert to fraction form
49,648,402.11/68,486,264.37 = 31,031,232.45/x - Step 3: Cross multiply
49,648,402.11x = 68,486,264.37 × 31,031,232.45 - Step 4: Simplify right side
49,648,402.11x = 2,125,213,189,297,623 - Step 5: Solve for x
x = 2,125,213,189,297,623/49,648,402.11 - Step 6: Final answer
x = 42,805,268.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.