Finding the Fourth Proportional to 138,528,995.10, 207,656,440.65 and 65,617,622.70
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Solution
The fourth proportional to 138,528,995.10, 207,656,440.65 and 65,617,622.70 is: 98,361,516.04
Step by Step Solution
- Step 1: Write the proportion equation
138,528,995.10 : 207,656,440.65 = 65,617,622.70 : x - Step 2: Convert to fraction form
138,528,995.10/207,656,440.65 = 65,617,622.70/x - Step 3: Cross multiply
138,528,995.10x = 207,656,440.65 × 65,617,622.70 - Step 4: Simplify right side
138,528,995.10x = 13,625,921,973,796,644 - Step 5: Solve for x
x = 13,625,921,973,796,644/138,528,995.10 - Step 6: Final answer
x = 98,361,516.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.