Finding the Fourth Proportional to 141,922,137.60, 195,852,384 and 76,731,886.08
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Solution
The fourth proportional to 141,922,137.60, 195,852,384 and 76,731,886.08 is: 105,889,913.10
Step by Step Solution
- Step 1: Write the proportion equation
141,922,137.60 : 195,852,384 = 76,731,886.08 : x - Step 2: Convert to fraction form
141,922,137.60/195,852,384 = 76,731,886.08/x - Step 3: Cross multiply
141,922,137.60x = 195,852,384 × 76,731,886.08 - Step 4: Simplify right side
141,922,137.60x = 15,028,122,817,584,414 - Step 5: Solve for x
x = 15,028,122,817,584,414/141,922,137.60 - Step 6: Final answer
x = 105,889,913.10
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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.