Finding the Fourth Proportional to 130,474,876.80, 195,863,428.80 and 70,008,700.80
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Solution
The fourth proportional to 130,474,876.80, 195,863,428.80 and 70,008,700.80 is: 105,094,133.99
Step by Step Solution
- Step 1: Write the proportion equation
130,474,876.80 : 195,863,428.80 = 70,008,700.80 : x - Step 2: Convert to fraction form
130,474,876.80/195,863,428.80 = 70,008,700.80/x - Step 3: Cross multiply
130,474,876.80x = 195,863,428.80 × 70,008,700.80 - Step 4: Simplify right side
130,474,876.80x = 13,712,144,184,521,304 - Step 5: Solve for x
x = 13,712,144,184,521,304/130,474,876.80 - Step 6: Final answer
x = 105,094,133.99
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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.