Finding the Fourth Proportional to 315,509,824.58, 473,242,316.70 and 97,137,396.17
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Solution
The fourth proportional to 315,509,824.58, 473,242,316.70 and 97,137,396.17 is: 145,699,191.66
Step by Step Solution
- Step 1: Write the proportion equation
315,509,824.58 : 473,242,316.70 = 97,137,396.17 : x - Step 2: Convert to fraction form
315,509,824.58/473,242,316.70 = 97,137,396.17/x - Step 3: Cross multiply
315,509,824.58x = 473,242,316.70 × 97,137,396.17 - Step 4: Simplify right side
315,509,824.58x = 45,969,526,401,696,504 - Step 5: Solve for x
x = 45,969,526,401,696,504/315,509,824.58 - Step 6: Final answer
x = 145,699,191.66
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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.