Finding the Fourth Proportional to 104,976,133.30, 157,464,199.95 and 66,806,859.70
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Solution
The fourth proportional to 104,976,133.30, 157,464,199.95 and 66,806,859.70 is: 100,210,289.55
Step by Step Solution
- Step 1: Write the proportion equation
104,976,133.30 : 157,464,199.95 = 66,806,859.70 : x - Step 2: Convert to fraction form
104,976,133.30/157,464,199.95 = 66,806,859.70/x - Step 3: Cross multiply
104,976,133.30x = 157,464,199.95 × 66,806,859.70 - Step 4: Simplify right side
104,976,133.30x = 10,519,688,713,832,396 - Step 5: Solve for x
x = 10,519,688,713,832,396/104,976,133.30 - Step 6: Final answer
x = 100,210,289.55
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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.