Finding the Fourth Proportional to 87,216,189.36, 120,352,918.28 and 48,055,774.65
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Solution
The fourth proportional to 87,216,189.36, 120,352,918.28 and 48,055,774.65 is: 66,313,980.94
Step by Step Solution
- Step 1: Write the proportion equation
87,216,189.36 : 120,352,918.28 = 48,055,774.65 : x - Step 2: Convert to fraction form
87,216,189.36/120,352,918.28 = 48,055,774.65/x - Step 3: Cross multiply
87,216,189.36x = 120,352,918.28 × 48,055,774.65 - Step 4: Simplify right side
87,216,189.36x = 5,783,652,718,912,498 - Step 5: Solve for x
x = 5,783,652,718,912,498/87,216,189.36 - Step 6: Final answer
x = 66,313,980.94
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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.