Finding the Fourth Proportional to 67,430,987.71, 93,054,420.92 and 36,491,156.99
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Solution
The fourth proportional to 67,430,987.71, 93,054,420.92 and 36,491,156.99 is: 50,357,611.51
Step by Step Solution
- Step 1: Write the proportion equation
67,430,987.71 : 93,054,420.92 = 36,491,156.99 : x - Step 2: Convert to fraction form
67,430,987.71/93,054,420.92 = 36,491,156.99/x - Step 3: Cross multiply
67,430,987.71x = 93,054,420.92 × 36,491,156.99 - Step 4: Simplify right side
67,430,987.71x = 3,395,663,482,380,170.50 - Step 5: Solve for x
x = 3,395,663,482,380,170.50/67,430,987.71 - Step 6: Final answer
x = 50,357,611.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.