Finding the Fourth Proportional to 102,939,966.81, 154,439,835.98 and 41,497,416.81
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Solution
The fourth proportional to 102,939,966.81, 154,439,835.98 and 41,497,416.81 is: 62,258,172.84
Step by Step Solution
- Step 1: Write the proportion equation
102,939,966.81 : 154,439,835.98 = 41,497,416.81 : x - Step 2: Convert to fraction form
102,939,966.81/154,439,835.98 = 41,497,416.81/x - Step 3: Cross multiply
102,939,966.81x = 154,439,835.98 × 41,497,416.81 - Step 4: Simplify right side
102,939,966.81x = 6,408,854,245,522,608 - Step 5: Solve for x
x = 6,408,854,245,522,608/102,939,966.81 - Step 6: Final answer
x = 62,258,172.84
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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.