Finding the Fourth Proportional to 291,072,497.40, 436,608,746.10 and 118,460,460.60
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Solution
The fourth proportional to 291,072,497.40, 436,608,746.10 and 118,460,460.60 is: 177,690,690.90
Step by Step Solution
- Step 1: Write the proportion equation
291,072,497.40 : 436,608,746.10 = 118,460,460.60 : x - Step 2: Convert to fraction form
291,072,497.40/436,608,746.10 = 118,460,460.60/x - Step 3: Cross multiply
291,072,497.40x = 436,608,746.10 × 118,460,460.60 - Step 4: Simplify right side
291,072,497.40x = 51,720,873,164,994,456 - Step 5: Solve for x
x = 51,720,873,164,994,456/291,072,497.40 - Step 6: Final answer
x = 177,690,690.90
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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.