Finding the Fourth Proportional to 104,966,145.30, 157,449,217.95 and 66,796,871.70
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Solution
The fourth proportional to 104,966,145.30, 157,449,217.95 and 66,796,871.70 is: 100,195,307.55
Step by Step Solution
- Step 1: Write the proportion equation
104,966,145.30 : 157,449,217.95 = 66,796,871.70 : x - Step 2: Convert to fraction form
104,966,145.30/157,449,217.95 = 66,796,871.70/x - Step 3: Cross multiply
104,966,145.30x = 157,449,217.95 × 66,796,871.70 - Step 4: Simplify right side
104,966,145.30x = 10,517,115,210,671,486 - Step 5: Solve for x
x = 10,517,115,210,671,486/104,966,145.30 - Step 6: Final answer
x = 100,195,307.55
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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.