Finding the Fourth Proportional to 172,214,214.96, 258,442,371.40 and 155,748,844.08
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Solution
The fourth proportional to 172,214,214.96, 258,442,371.40 and 155,748,844.08 is: 233,732,741.61
Step by Step Solution
- Step 1: Write the proportion equation
172,214,214.96 : 258,442,371.40 = 155,748,844.08 : x - Step 2: Convert to fraction form
172,214,214.96/258,442,371.40 = 155,748,844.08/x - Step 3: Cross multiply
172,214,214.96x = 258,442,371.40 × 155,748,844.08 - Step 4: Simplify right side
172,214,214.96x = 40,252,100,606,844,056 - Step 5: Solve for x
x = 40,252,100,606,844,056/172,214,214.96 - Step 6: Final answer
x = 233,732,741.61
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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.