Finding the Fourth Proportional to 113,542,331.91, 156,688,478.64 and 61,331,366.49
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Solution
The fourth proportional to 113,542,331.91, 156,688,478.64 and 61,331,366.49 is: 84,637,318.49
Step by Step Solution
- Step 1: Write the proportion equation
113,542,331.91 : 156,688,478.64 = 61,331,366.49 : x - Step 2: Convert to fraction form
113,542,331.91/156,688,478.64 = 61,331,366.49/x - Step 3: Cross multiply
113,542,331.91x = 156,688,478.64 × 61,331,366.49 - Step 4: Simplify right side
113,542,331.91x = 9,609,918,508,230,376 - Step 5: Solve for x
x = 9,609,918,508,230,376/113,542,331.91 - Step 6: Final answer
x = 84,637,318.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.