Finding the Fourth Proportional to 195,612,509.58, 269,951,737.98 and 107,509,630.38
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Solution
The fourth proportional to 195,612,509.58, 269,951,737.98 and 107,509,630.38 is: 148,366,848.49
Step by Step Solution
- Step 1: Write the proportion equation
195,612,509.58 : 269,951,737.98 = 107,509,630.38 : x - Step 2: Convert to fraction form
195,612,509.58/269,951,737.98 = 107,509,630.38/x - Step 3: Cross multiply
195,612,509.58x = 269,951,737.98 × 107,509,630.38 - Step 4: Simplify right side
195,612,509.58x = 29,022,411,570,668,408 - Step 5: Solve for x
x = 29,022,411,570,668,408/195,612,509.58 - Step 6: Final answer
x = 148,366,848.49
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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.