Finding the Fourth Proportional to 342,026,397.14, 471,983,783.07 and 185,390,141.10
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Solution
The fourth proportional to 342,026,397.14, 471,983,783.07 and 185,390,141.10 is: 255,831,540.70
Step by Step Solution
- Step 1: Write the proportion equation
342,026,397.14 : 471,983,783.07 = 185,390,141.10 : x - Step 2: Convert to fraction form
342,026,397.14/471,983,783.07 = 185,390,141.10/x - Step 3: Cross multiply
342,026,397.14x = 471,983,783.07 × 185,390,141.10 - Step 4: Simplify right side
342,026,397.14x = 87,501,140,140,259,088 - Step 5: Solve for x
x = 87,501,140,140,259,088/342,026,397.14 - Step 6: Final answer
x = 255,831,540.70
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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.