Finding the Fourth Proportional to 257,833,783.08, 386,761,340.70 and 76,080,963.24
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Solution
The fourth proportional to 257,833,783.08, 386,761,340.70 and 76,080,963.24 is: 114,124,592.18
Step by Step Solution
- Step 1: Write the proportion equation
257,833,783.08 : 386,761,340.70 = 76,080,963.24 : x - Step 2: Convert to fraction form
257,833,783.08/386,761,340.70 = 76,080,963.24/x - Step 3: Cross multiply
257,833,783.08x = 386,761,340.70 × 76,080,963.24 - Step 4: Simplify right side
257,833,783.08x = 29,425,175,344,449,812 - Step 5: Solve for x
x = 29,425,175,344,449,812/257,833,783.08 - Step 6: Final answer
x = 114,124,592.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.