Finding the Fourth Proportional to 410,111,204.99, 615,168,403.47 and 99,218,322.12
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Solution
The fourth proportional to 410,111,204.99, 615,168,403.47 and 99,218,322.12 is: 148,827,869.30
Step by Step Solution
- Step 1: Write the proportion equation
410,111,204.99 : 615,168,403.47 = 99,218,322.12 : x - Step 2: Convert to fraction form
410,111,204.99/615,168,403.47 = 99,218,322.12/x - Step 3: Cross multiply
410,111,204.99x = 615,168,403.47 × 99,218,322.12 - Step 4: Simplify right side
410,111,204.99x = 61,035,976,815,839,472 - Step 5: Solve for x
x = 61,035,976,815,839,472/410,111,204.99 - Step 6: Final answer
x = 148,827,869.30
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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.