Finding the Fourth Proportional to 291,046,057.60, 436,629,739.20 and 97,017,750.40
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Solution
The fourth proportional to 291,046,057.60, 436,629,739.20 and 97,017,750.40 is: 145,546,843.70
Step by Step Solution
- Step 1: Write the proportion equation
291,046,057.60 : 436,629,739.20 = 97,017,750.40 : x - Step 2: Convert to fraction form
291,046,057.60/436,629,739.20 = 97,017,750.40/x - Step 3: Cross multiply
291,046,057.60x = 436,629,739.20 × 97,017,750.40 - Step 4: Simplify right side
291,046,057.60x = 42,360,835,054,922,696 - Step 5: Solve for x
x = 42,360,835,054,922,696/291,046,057.60 - Step 6: Final answer
x = 145,546,843.70
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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.