Finding the Fourth Proportional to 85,653,709.84, 118,202,269.52 and 46,495,513.12
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Solution
The fourth proportional to 85,653,709.84, 118,202,269.52 and 46,495,513.12 is: 64,163,889.50
Step by Step Solution
- Step 1: Write the proportion equation
85,653,709.84 : 118,202,269.52 = 46,495,513.12 : x - Step 2: Convert to fraction form
85,653,709.84/118,202,269.52 = 46,495,513.12/x - Step 3: Cross multiply
85,653,709.84x = 118,202,269.52 × 46,495,513.12 - Step 4: Simplify right side
85,653,709.84x = 5,495,875,173,280,936 - Step 5: Solve for x
x = 5,495,875,173,280,936/85,653,709.84 - Step 6: Final answer
x = 64,163,889.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.