Finding the Fourth Proportional to 103,143,654.64, 154,698,655.56 and 30,343,403.44
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Solution
The fourth proportional to 103,143,654.64, 154,698,655.56 and 30,343,403.44 is: 45,510,155.07
Step by Step Solution
- Step 1: Write the proportion equation
103,143,654.64 : 154,698,655.56 = 30,343,403.44 : x - Step 2: Convert to fraction form
103,143,654.64/154,698,655.56 = 30,343,403.44/x - Step 3: Cross multiply
103,143,654.64x = 154,698,655.56 × 30,343,403.44 - Step 4: Simplify right side
103,143,654.64x = 4,694,083,717,282,679 - Step 5: Solve for x
x = 4,694,083,717,282,679/103,143,654.64 - Step 6: Final answer
x = 45,510,155.07
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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.