Finding the Fourth Proportional to 282,796,471.98, 390,253,011.12 and 163,724,085
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Solution
The fourth proportional to 282,796,471.98, 390,253,011.12 and 163,724,085 is: 225,935,694.02
Step by Step Solution
- Step 1: Write the proportion equation
282,796,471.98 : 390,253,011.12 = 163,724,085 : x - Step 2: Convert to fraction form
282,796,471.98/390,253,011.12 = 163,724,085/x - Step 3: Cross multiply
282,796,471.98x = 390,253,011.12 × 163,724,085 - Step 4: Simplify right side
282,796,471.98x = 63,893,817,164,116,824 - Step 5: Solve for x
x = 63,893,817,164,116,824/282,796,471.98 - Step 6: Final answer
x = 225,935,694.02
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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.