Finding the Fourth Proportional to 383,220,918.84, 574,823,129.22 and 106,864,777.56
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Solution
The fourth proportional to 383,220,918.84, 574,823,129.22 and 106,864,777.56 is: 160,294,866.02
Step by Step Solution
- Step 1: Write the proportion equation
383,220,918.84 : 574,823,129.22 = 106,864,777.56 : x - Step 2: Convert to fraction form
383,220,918.84/574,823,129.22 = 106,864,777.56/x - Step 3: Cross multiply
383,220,918.84x = 574,823,129.22 × 106,864,777.56 - Step 4: Simplify right side
383,220,918.84x = 61,428,345,840,438,440 - Step 5: Solve for x
x = 61,428,345,840,438,440/383,220,918.84 - Step 6: Final answer
x = 160,294,866.02
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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.