Finding the Fourth Proportional to 163,533,558.37, 245,271,212.09 and 65,157,020.18
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Solution
The fourth proportional to 163,533,558.37, 245,271,212.09 and 65,157,020.18 is: 97,723,925.75
Step by Step Solution
- Step 1: Write the proportion equation
163,533,558.37 : 245,271,212.09 = 65,157,020.18 : x - Step 2: Convert to fraction form
163,533,558.37/245,271,212.09 = 65,157,020.18/x - Step 3: Cross multiply
163,533,558.37x = 245,271,212.09 × 65,157,020.18 - Step 4: Simplify right side
163,533,558.37x = 15,981,141,315,721,190 - Step 5: Solve for x
x = 15,981,141,315,721,190/163,533,558.37 - Step 6: Final answer
x = 97,723,925.75
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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.