Finding the Fourth Proportional to 98,660,823.96, 148,042,264.14 and 71,590,302.12
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Solution
The fourth proportional to 98,660,823.96, 148,042,264.14 and 71,590,302.12 is: 107,422,480.28
Step by Step Solution
- Step 1: Write the proportion equation
98,660,823.96 : 148,042,264.14 = 71,590,302.12 : x - Step 2: Convert to fraction form
98,660,823.96/148,042,264.14 = 71,590,302.12/x - Step 3: Cross multiply
98,660,823.96x = 148,042,264.14 × 71,590,302.12 - Step 4: Simplify right side
98,660,823.96x = 10,598,390,416,311,442 - Step 5: Solve for x
x = 10,598,390,416,311,442/98,660,823.96 - Step 6: Final answer
x = 107,422,480.28
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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.