Finding the Fourth Proportional to 306,545,100.55, 423,585,598.88 and 218,285,871.08
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Solution
The fourth proportional to 306,545,100.55, 423,585,598.88 and 218,285,871.08 is: 301,628,541.00
Step by Step Solution
- Step 1: Write the proportion equation
306,545,100.55 : 423,585,598.88 = 218,285,871.08 : x - Step 2: Convert to fraction form
306,545,100.55/423,585,598.88 = 218,285,871.08/x - Step 3: Cross multiply
306,545,100.55x = 423,585,598.88 × 218,285,871.08 - Step 4: Simplify right side
306,545,100.55x = 92,462,751,428,864,416 - Step 5: Solve for x
x = 92,462,751,428,864,416/306,545,100.55 - Step 6: Final answer
x = 301,628,541.00
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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.