Finding the Fourth Proportional to 66,384,710.68, 99,520,267.58 and 25,473,507.70
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Solution
The fourth proportional to 66,384,710.68, 99,520,267.58 and 25,473,507.70 is: 38,188,466.54
Step by Step Solution
- Step 1: Write the proportion equation
66,384,710.68 : 99,520,267.58 = 25,473,507.70 : x - Step 2: Convert to fraction form
66,384,710.68/99,520,267.58 = 25,473,507.70/x - Step 3: Cross multiply
66,384,710.68x = 99,520,267.58 × 25,473,507.70 - Step 4: Simplify right side
66,384,710.68x = 2,535,130,302,505,190 - Step 5: Solve for x
x = 2,535,130,302,505,190/66,384,710.68 - Step 6: Final answer
x = 38,188,466.54
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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.