Finding the Fourth Proportional to 84,602,877.21, 126,904,753.71 and 38,512,513.38
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Solution
The fourth proportional to 84,602,877.21, 126,904,753.71 and 38,512,513.38 is: 57,768,969.41
Step by Step Solution
- Step 1: Write the proportion equation
84,602,877.21 : 126,904,753.71 = 38,512,513.38 : x - Step 2: Convert to fraction form
84,602,877.21/126,904,753.71 = 38,512,513.38/x - Step 3: Cross multiply
84,602,877.21x = 126,904,753.71 × 38,512,513.38 - Step 4: Simplify right side
84,602,877.21x = 4,887,421,025,241,980 - Step 5: Solve for x
x = 4,887,421,025,241,980/84,602,877.21 - Step 6: Final answer
x = 57,768,969.41
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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.