Finding the Fourth Proportional to 178,767,530.80, 268,151,296.20 and 97,138,193.20
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Solution
The fourth proportional to 178,767,530.80, 268,151,296.20 and 97,138,193.20 is: 145,707,289.80
Step by Step Solution
- Step 1: Write the proportion equation
178,767,530.80 : 268,151,296.20 = 97,138,193.20 : x - Step 2: Convert to fraction form
178,767,530.80/268,151,296.20 = 97,138,193.20/x - Step 3: Cross multiply
178,767,530.80x = 268,151,296.20 × 97,138,193.20 - Step 4: Simplify right side
178,767,530.80x = 26,047,732,417,106,024 - Step 5: Solve for x
x = 26,047,732,417,106,024/178,767,530.80 - Step 6: Final answer
x = 145,707,289.80
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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.