Finding the Fourth Proportional to 61,163,406.10, 91,745,109.15 and 58,811,943.70
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Solution
The fourth proportional to 61,163,406.10, 91,745,109.15 and 58,811,943.70 is: 88,217,915.55
Step by Step Solution
- Step 1: Write the proportion equation
61,163,406.10 : 91,745,109.15 = 58,811,943.70 : x - Step 2: Convert to fraction form
61,163,406.10/91,745,109.15 = 58,811,943.70/x - Step 3: Cross multiply
61,163,406.10x = 91,745,109.15 × 58,811,943.70 - Step 4: Simplify right side
61,163,406.10x = 5,395,708,194,080,155 - Step 5: Solve for x
x = 5,395,708,194,080,155/61,163,406.10 - Step 6: Final answer
x = 88,217,915.55
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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.