Finding the Fourth Proportional to 245,725,503.00, 368,589,632.40 and 81,962,809.99
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Solution
The fourth proportional to 245,725,503.00, 368,589,632.40 and 81,962,809.99 is: 122,944,674.58
Step by Step Solution
- Step 1: Write the proportion equation
245,725,503.00 : 368,589,632.40 = 81,962,809.99 : x - Step 2: Convert to fraction form
245,725,503.00/368,589,632.40 = 81,962,809.99/x - Step 3: Cross multiply
245,725,503.00x = 368,589,632.40 × 81,962,809.99 - Step 4: Simplify right side
245,725,503.00x = 30,210,642,002,842,196 - Step 5: Solve for x
x = 30,210,642,002,842,196/245,725,503.00 - Step 6: Final answer
x = 122,944,674.58
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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.