Finding the Fourth Proportional to 117,005,207.70, 175,507,811.55 and 59,609,579.70
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Solution
The fourth proportional to 117,005,207.70, 175,507,811.55 and 59,609,579.70 is: 89,414,369.55
Step by Step Solution
- Step 1: Write the proportion equation
117,005,207.70 : 175,507,811.55 = 59,609,579.70 : x - Step 2: Convert to fraction form
117,005,207.70/175,507,811.55 = 59,609,579.70/x - Step 3: Cross multiply
117,005,207.70x = 175,507,811.55 × 59,609,579.70 - Step 4: Simplify right side
117,005,207.70x = 10,461,946,880,562,306 - Step 5: Solve for x
x = 10,461,946,880,562,306/117,005,207.70 - Step 6: Final answer
x = 89,414,369.55
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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.