Finding the Fourth Proportional to 166,221,894.84, 229,381,814.70 and 92,883,639.48
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Solution
The fourth proportional to 166,221,894.84, 229,381,814.70 and 92,883,639.48 is: 128,176,963.69
Step by Step Solution
- Step 1: Write the proportion equation
166,221,894.84 : 229,381,814.70 = 92,883,639.48 : x - Step 2: Convert to fraction form
166,221,894.84/229,381,814.70 = 92,883,639.48/x - Step 3: Cross multiply
166,221,894.84x = 229,381,814.70 × 92,883,639.48 - Step 4: Simplify right side
166,221,894.84x = 21,305,817,779,862,964 - Step 5: Solve for x
x = 21,305,817,779,862,964/166,221,894.84 - Step 6: Final answer
x = 128,176,963.69
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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.