Finding the Fourth Proportional to 115,107,329.16, 172,351,595.82 and 87,682,980.84
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Solution
The fourth proportional to 115,107,329.16, 172,351,595.82 and 87,682,980.84 is: 131,288,787.47
Step by Step Solution
- Step 1: Write the proportion equation
115,107,329.16 : 172,351,595.82 = 87,682,980.84 : x - Step 2: Convert to fraction form
115,107,329.16/172,351,595.82 = 87,682,980.84/x - Step 3: Cross multiply
115,107,329.16x = 172,351,595.82 × 87,682,980.84 - Step 4: Simplify right side
115,107,329.16x = 15,112,301,674,028,484 - Step 5: Solve for x
x = 15,112,301,674,028,484/115,107,329.16 - Step 6: Final answer
x = 131,288,787.47
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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.