Finding the Fourth Proportional to 138,529,079.60, 207,656,567.40 and 65,617,707.20
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Solution
The fourth proportional to 138,529,079.60, 207,656,567.40 and 65,617,707.20 is: 98,361,642.75
Step by Step Solution
- Step 1: Write the proportion equation
138,529,079.60 : 207,656,567.40 = 65,617,707.20 : x - Step 2: Convert to fraction form
138,529,079.60/207,656,567.40 = 65,617,707.20/x - Step 3: Cross multiply
138,529,079.60x = 207,656,567.40 × 65,617,707.20 - Step 4: Simplify right side
138,529,079.60x = 13,625,947,837,810,266 - Step 5: Solve for x
x = 13,625,947,837,810,266/138,529,079.60 - Step 6: Final answer
x = 98,361,642.75
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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.