Finding the Fourth Proportional to 354,097,246.70, 531,146,866.51 and 135,814,498.97
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Solution
The fourth proportional to 354,097,246.70, 531,146,866.51 and 135,814,498.97 is: 203,722,130.64
Step by Step Solution
- Step 1: Write the proportion equation
354,097,246.70 : 531,146,866.51 = 135,814,498.97 : x - Step 2: Convert to fraction form
354,097,246.70/531,146,866.51 = 135,814,498.97/x - Step 3: Cross multiply
354,097,246.70x = 531,146,866.51 × 135,814,498.97 - Step 4: Simplify right side
354,097,246.70x = 72,137,445,551,885,392 - Step 5: Solve for x
x = 72,137,445,551,885,392/354,097,246.70 - Step 6: Final answer
x = 203,722,130.64
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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.