Finding the Fourth Proportional to 138,478,558.79, 207,702,486.54 and 34,847,792.14
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Solution
The fourth proportional to 138,478,558.79, 207,702,486.54 and 34,847,792.14 is: 52,267,825.01
Step by Step Solution
- Step 1: Write the proportion equation
138,478,558.79 : 207,702,486.54 = 34,847,792.14 : x - Step 2: Convert to fraction form
138,478,558.79/207,702,486.54 = 34,847,792.14/x - Step 3: Cross multiply
138,478,558.79x = 207,702,486.54 × 34,847,792.14 - Step 4: Simplify right side
138,478,558.79x = 7,237,973,077,907,068 - Step 5: Solve for x
x = 7,237,973,077,907,068/138,478,558.79 - Step 6: Final answer
x = 52,267,825.01
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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.