Finding the Fourth Proportional to 124,583,915.73, 186,774,702.53 and 51,855,135.51
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Solution
The fourth proportional to 124,583,915.73, 186,774,702.53 and 51,855,135.51 is: 77,740,593.17
Step by Step Solution
- Step 1: Write the proportion equation
124,583,915.73 : 186,774,702.53 = 51,855,135.51 : x - Step 2: Convert to fraction form
124,583,915.73/186,774,702.53 = 51,855,135.51/x - Step 3: Cross multiply
124,583,915.73x = 186,774,702.53 × 51,855,135.51 - Step 4: Simplify right side
124,583,915.73x = 9,685,227,508,923,612 - Step 5: Solve for x
x = 9,685,227,508,923,612/124,583,915.73 - Step 6: Final answer
x = 77,740,593.17
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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.