Finding the Fourth Proportional to 84,362,986.13, 126,518,572.44 and 29,762,802.72
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Solution
The fourth proportional to 84,362,986.13, 126,518,572.44 and 29,762,802.72 is: 44,635,064.32
Step by Step Solution
- Step 1: Write the proportion equation
84,362,986.13 : 126,518,572.44 = 29,762,802.72 : x - Step 2: Convert to fraction form
84,362,986.13/126,518,572.44 = 29,762,802.72/x - Step 3: Cross multiply
84,362,986.13x = 126,518,572.44 × 29,762,802.72 - Step 4: Simplify right side
84,362,986.13x = 3,765,547,311,947,749 - Step 5: Solve for x
x = 3,765,547,311,947,749/84,362,986.13 - Step 6: Final answer
x = 44,635,064.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.