Finding the Fourth Proportional to 129,390,339,102.08, 194,095,267,277.16 and 38,624,589,103.28
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Solution
The fourth proportional to 129,390,339,102.08, 194,095,267,277.16 and 38,624,589,103.28 is: 57,939,796,722.82
Step by Step Solution
- Step 1: Write the proportion equation
129,390,339,102.08 : 194,095,267,277.16 = 38,624,589,103.28 : x - Step 2: Convert to fraction form
129,390,339,102.08/194,095,267,277.16 = 38,624,589,103.28/x - Step 3: Cross multiply
129,390,339,102.08x = 194,095,267,277.16 × 38,624,589,103.28 - Step 4: Simplify right side
129,390,339,102.08x = 7,496,849,945,471,612,878,848 - Step 5: Solve for x
x = 7,496,849,945,471,612,878,848/129,390,339,102.08 - Step 6: Final answer
x = 57,939,796,722.82
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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.