Finding the Fourth Proportional to 86,768,894.07, 130,151,833.63 and 34,952,172.03
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Solution
The fourth proportional to 86,768,894.07, 130,151,833.63 and 34,952,172.03 is: 52,427,650.80
Step by Step Solution
- Step 1: Write the proportion equation
86,768,894.07 : 130,151,833.63 = 34,952,172.03 : x - Step 2: Convert to fraction form
86,768,894.07/130,151,833.63 = 34,952,172.03/x - Step 3: Cross multiply
86,768,894.07x = 130,151,833.63 × 34,952,172.03 - Step 4: Simplify right side
86,768,894.07x = 4,549,089,278,968,319 - Step 5: Solve for x
x = 4,549,089,278,968,319/86,768,894.07 - Step 6: Final answer
x = 52,427,650.80
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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.