Finding the Fourth Proportional to 74,889,968.90, 112,334,953.35 and 36,576,061.70
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Solution
The fourth proportional to 74,889,968.90, 112,334,953.35 and 36,576,061.70 is: 54,864,092.55
Step by Step Solution
- Step 1: Write the proportion equation
74,889,968.90 : 112,334,953.35 = 36,576,061.70 : x - Step 2: Convert to fraction form
74,889,968.90/112,334,953.35 = 36,576,061.70/x - Step 3: Cross multiply
74,889,968.90x = 112,334,953.35 × 36,576,061.70 - Step 4: Simplify right side
74,889,968.90x = 4,108,770,184,796,222 - Step 5: Solve for x
x = 4,108,770,184,796,222/74,889,968.90 - Step 6: Final answer
x = 54,864,092.55
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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.