Finding the Fourth Proportional to 203,214,660.84, 304,360,966.08 and 129,438,840.24
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Solution
The fourth proportional to 203,214,660.84, 304,360,966.08 and 129,438,840.24 is: 193,864,607.51
Step by Step Solution
- Step 1: Write the proportion equation
203,214,660.84 : 304,360,966.08 = 129,438,840.24 : x - Step 2: Convert to fraction form
203,214,660.84/304,360,966.08 = 129,438,840.24/x - Step 3: Cross multiply
203,214,660.84x = 304,360,966.08 × 129,438,840.24 - Step 4: Simplify right side
203,214,660.84x = 39,396,130,463,721,176 - Step 5: Solve for x
x = 39,396,130,463,721,176/203,214,660.84 - Step 6: Final answer
x = 193,864,607.51
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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.