Finding the Fourth Proportional to 65,181,862.20, 97,847,442.90 and 38,270,681.40
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Solution
The fourth proportional to 65,181,862.20, 97,847,442.90 and 38,270,681.40 is: 57,449,851.64
Step by Step Solution
- Step 1: Write the proportion equation
65,181,862.20 : 97,847,442.90 = 38,270,681.40 : x - Step 2: Convert to fraction form
65,181,862.20/97,847,442.90 = 38,270,681.40/x - Step 3: Cross multiply
65,181,862.20x = 97,847,442.90 × 38,270,681.40 - Step 4: Simplify right side
65,181,862.20x = 3,744,688,313,030,592 - Step 5: Solve for x
x = 3,744,688,313,030,592/65,181,862.20 - Step 6: Final answer
x = 57,449,851.64
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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.