Finding the Fourth Proportional to 91,212,090.18, 137,036,404.48 and 58,486,775.36
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Solution
The fourth proportional to 91,212,090.18, 137,036,404.48 and 58,486,775.36 is: 87,870,121.05
Step by Step Solution
- Step 1: Write the proportion equation
91,212,090.18 : 137,036,404.48 = 58,486,775.36 : x - Step 2: Convert to fraction form
91,212,090.18/137,036,404.48 = 58,486,775.36/x - Step 3: Cross multiply
91,212,090.18x = 137,036,404.48 × 58,486,775.36 - Step 4: Simplify right side
91,212,090.18x = 8,014,817,404,963,857 - Step 5: Solve for x
x = 8,014,817,404,963,857/91,212,090.18 - Step 6: Final answer
x = 87,870,121.05
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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.