Finding the Fourth Proportional to 312,239,973.99, 468,030,375.30 and 104,781,682.98
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Solution
The fourth proportional to 312,239,973.99, 468,030,375.30 and 104,781,682.98 is: 157,061,921.90
Step by Step Solution
- Step 1: Write the proportion equation
312,239,973.99 : 468,030,375.30 = 104,781,682.98 : x - Step 2: Convert to fraction form
312,239,973.99/468,030,375.30 = 104,781,682.98/x - Step 3: Cross multiply
312,239,973.99x = 468,030,375.30 × 104,781,682.98 - Step 4: Simplify right side
312,239,973.99x = 49,041,010,409,695,024 - Step 5: Solve for x
x = 49,041,010,409,695,024/312,239,973.99 - Step 6: Final answer
x = 157,061,921.90
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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.