Finding the Fourth Proportional to 130,366,919.30, 195,550,378.95 and 49,577,389.70
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Solution
The fourth proportional to 130,366,919.30, 195,550,378.95 and 49,577,389.70 is: 74,366,084.55
Step by Step Solution
- Step 1: Write the proportion equation
130,366,919.30 : 195,550,378.95 = 49,577,389.70 : x - Step 2: Convert to fraction form
130,366,919.30/195,550,378.95 = 49,577,389.70/x - Step 3: Cross multiply
130,366,919.30x = 195,550,378.95 × 49,577,389.70 - Step 4: Simplify right side
130,366,919.30x = 9,694,877,343,186,826 - Step 5: Solve for x
x = 9,694,877,343,186,826/130,366,919.30 - Step 6: Final answer
x = 74,366,084.55
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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.