Finding the Fourth Proportional to 115,177,407.30, 172,885,652.37 and 66,749,878.98
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Solution
The fourth proportional to 115,177,407.30, 172,885,652.37 and 66,749,878.98 is: 100,194,097.47
Step by Step Solution
- Step 1: Write the proportion equation
115,177,407.30 : 172,885,652.37 = 66,749,878.98 : x - Step 2: Convert to fraction form
115,177,407.30/172,885,652.37 = 66,749,878.98/x - Step 3: Cross multiply
115,177,407.30x = 172,885,652.37 × 66,749,878.98 - Step 4: Simplify right side
115,177,407.30x = 11,540,096,373,075,850 - Step 5: Solve for x
x = 11,540,096,373,075,850/115,177,407.30 - Step 6: Final answer
x = 100,194,097.47
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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.