Finding the Fourth Proportional to 65,889,984.90, 98,788,897.35 and 38,949,773.70
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Solution
The fourth proportional to 65,889,984.90, 98,788,897.35 and 38,949,773.70 is: 58,397,421.12
Step by Step Solution
- Step 1: Write the proportion equation
65,889,984.90 : 98,788,897.35 = 38,949,773.70 : x - Step 2: Convert to fraction form
65,889,984.90/98,788,897.35 = 38,949,773.70/x - Step 3: Cross multiply
65,889,984.90x = 98,788,897.35 × 38,949,773.70 - Step 4: Simplify right side
65,889,984.90x = 3,847,805,195,855,030 - Step 5: Solve for x
x = 3,847,805,195,855,030/65,889,984.90 - Step 6: Final answer
x = 58,397,421.12
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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.