Finding the Fourth Proportional to 292,649,362.81, 439,023,249.24 and 145,104,204.31
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Solution
The fourth proportional to 292,649,362.81, 439,023,249.24 and 145,104,204.31 is: 217,680,703.78
Step by Step Solution
- Step 1: Write the proportion equation
292,649,362.81 : 439,023,249.24 = 145,104,204.31 : x - Step 2: Convert to fraction form
292,649,362.81/439,023,249.24 = 145,104,204.31/x - Step 3: Cross multiply
292,649,362.81x = 439,023,249.24 × 145,104,204.31 - Step 4: Simplify right side
292,649,362.81x = 63,704,119,255,655,384 - Step 5: Solve for x
x = 63,704,119,255,655,384/292,649,362.81 - Step 6: Final answer
x = 217,680,703.78
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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.