Finding the Fourth Proportional to 46,602,005.60, 69,878,125.20 and 19,645,205.60
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Solution
The fourth proportional to 46,602,005.60, 69,878,125.20 and 19,645,205.60 is: 29,457,318.82
Step by Step Solution
- Step 1: Write the proportion equation
46,602,005.60 : 69,878,125.20 = 19,645,205.60 : x - Step 2: Convert to fraction form
46,602,005.60/69,878,125.20 = 19,645,205.60/x - Step 3: Cross multiply
46,602,005.60x = 69,878,125.20 × 19,645,205.60 - Step 4: Simplify right side
46,602,005.60x = 1,372,770,136,496,541.25 - Step 5: Solve for x
x = 1,372,770,136,496,541.25/46,602,005.60 - Step 6: Final answer
x = 29,457,318.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.