Finding the Fourth Proportional to 97,293,123.40, 145,939,685.10 and 89,356,937.80
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Solution
The fourth proportional to 97,293,123.40, 145,939,685.10 and 89,356,937.80 is: 134,035,406.70
Step by Step Solution
- Step 1: Write the proportion equation
97,293,123.40 : 145,939,685.10 = 89,356,937.80 : x - Step 2: Convert to fraction form
97,293,123.40/145,939,685.10 = 89,356,937.80/x - Step 3: Cross multiply
97,293,123.40x = 145,939,685.10 × 89,356,937.80 - Step 4: Simplify right side
97,293,123.40x = 13,040,723,364,032,286 - Step 5: Solve for x
x = 13,040,723,364,032,286/97,293,123.40 - Step 6: Final answer
x = 134,035,406.70
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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.