Finding the Fourth Proportional to 79,708,966.34, 109,995,770.14 and 50,355,927.14
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Solution
The fourth proportional to 79,708,966.34, 109,995,770.14 and 50,355,927.14 is: 69,489,534.75
Step by Step Solution
- Step 1: Write the proportion equation
79,708,966.34 : 109,995,770.14 = 50,355,927.14 : x - Step 2: Convert to fraction form
79,708,966.34/109,995,770.14 = 50,355,927.14/x - Step 3: Cross multiply
79,708,966.34x = 109,995,770.14 × 50,355,927.14 - Step 4: Simplify right side
79,708,966.34x = 5,538,938,986,202,159 - Step 5: Solve for x
x = 5,538,938,986,202,159/79,708,966.34 - Step 6: Final answer
x = 69,489,534.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.