Finding the Fourth Proportional to 141,964,953.36, 195,912,225.84 and 76,774,857.36
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Solution
The fourth proportional to 141,964,953.36, 195,912,225.84 and 76,774,857.36 is: 105,949,622.34
Step by Step Solution
- Step 1: Write the proportion equation
141,964,953.36 : 195,912,225.84 = 76,774,857.36 : x - Step 2: Convert to fraction form
141,964,953.36/195,912,225.84 = 76,774,857.36/x - Step 3: Cross multiply
141,964,953.36x = 195,912,225.84 × 76,774,857.36 - Step 4: Simplify right side
141,964,953.36x = 15,041,133,193,946,106 - Step 5: Solve for x
x = 15,041,133,193,946,106/141,964,953.36 - Step 6: Final answer
x = 105,949,622.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.