Finding the Fourth Proportional to 138,317,937.28, 207,291,449.28 and 107,649,549.44
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Solution
The fourth proportional to 138,317,937.28, 207,291,449.28 and 107,649,549.44 is: 161,329,987.68
Step by Step Solution
- Step 1: Write the proportion equation
138,317,937.28 : 207,291,449.28 = 107,649,549.44 : x - Step 2: Convert to fraction form
138,317,937.28/207,291,449.28 = 107,649,549.44/x - Step 3: Cross multiply
138,317,937.28x = 207,291,449.28 × 107,649,549.44 - Step 4: Simplify right side
138,317,937.28x = 22,314,831,117,756,612 - Step 5: Solve for x
x = 22,314,831,117,756,612/138,317,937.28 - Step 6: Final answer
x = 161,329,987.68
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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.