Finding the Fourth Proportional to 61,207,496.10, 91,789,811.55 and 18,065,276.10
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Solution
The fourth proportional to 61,207,496.10, 91,789,811.55 and 18,065,276.10 is: 27,091,588.36
Step by Step Solution
- Step 1: Write the proportion equation
61,207,496.10 : 91,789,811.55 = 18,065,276.10 : x - Step 2: Convert to fraction form
61,207,496.10/91,789,811.55 = 18,065,276.10/x - Step 3: Cross multiply
61,207,496.10x = 91,789,811.55 × 18,065,276.10 - Step 4: Simplify right side
61,207,496.10x = 1,658,208,288,817,719 - Step 5: Solve for x
x = 1,658,208,288,817,719/61,207,496.10 - Step 6: Final answer
x = 27,091,588.36
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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.