Finding the Fourth Proportional to 170,829,731.84, 256,653,390.78 and 109,538,972.99
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Solution
The fourth proportional to 170,829,731.84, 256,653,390.78 and 109,538,972.99 is: 164,570,584.63
Step by Step Solution
- Step 1: Write the proportion equation
170,829,731.84 : 256,653,390.78 = 109,538,972.99 : x - Step 2: Convert to fraction form
170,829,731.84/256,653,390.78 = 109,538,972.99/x - Step 3: Cross multiply
170,829,731.84x = 256,653,390.78 × 109,538,972.99 - Step 4: Simplify right side
170,829,731.84x = 28,113,548,840,442,332 - Step 5: Solve for x
x = 28,113,548,840,442,332/170,829,731.84 - Step 6: Final answer
x = 164,570,584.63
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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.