Finding the Fourth Proportional to 115,452,942.36, 159,264,655.83 and 71,385,854.64
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Solution
The fourth proportional to 115,452,942.36, 159,264,655.83 and 71,385,854.64 is: 98,475,130.54
Step by Step Solution
- Step 1: Write the proportion equation
115,452,942.36 : 159,264,655.83 = 71,385,854.64 : x - Step 2: Convert to fraction form
115,452,942.36/159,264,655.83 = 71,385,854.64/x - Step 3: Cross multiply
115,452,942.36x = 159,264,655.83 × 71,385,854.64 - Step 4: Simplify right side
115,452,942.36x = 11,369,243,570,370,010 - Step 5: Solve for x
x = 11,369,243,570,370,010/115,452,942.36 - Step 6: Final answer
x = 98,475,130.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.