Finding the Fourth Proportional to 194,928,603.30, 292,392,904.95 and 79,995,629.70
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Solution
The fourth proportional to 194,928,603.30, 292,392,904.95 and 79,995,629.70 is: 119,993,444.55
Step by Step Solution
- Step 1: Write the proportion equation
194,928,603.30 : 292,392,904.95 = 79,995,629.70 : x - Step 2: Convert to fraction form
194,928,603.30/292,392,904.95 = 79,995,629.70/x - Step 3: Cross multiply
194,928,603.30x = 292,392,904.95 × 79,995,629.70 - Step 4: Simplify right side
194,928,603.30x = 23,390,154,551,287,496 - Step 5: Solve for x
x = 23,390,154,551,287,496/194,928,603.30 - Step 6: Final answer
x = 119,993,444.55
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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.