Finding the Fourth Proportional to 315,542,766.02, 473,365,009.07 and 97,193,006.55
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Solution
The fourth proportional to 315,542,766.02, 473,365,009.07 and 97,193,006.55 is: 145,805,175.66
Step by Step Solution
- Step 1: Write the proportion equation
315,542,766.02 : 473,365,009.07 = 97,193,006.55 : x - Step 2: Convert to fraction form
315,542,766.02/473,365,009.07 = 97,193,006.55/x - Step 3: Cross multiply
315,542,766.02x = 473,365,009.07 × 97,193,006.55 - Step 4: Simplify right side
315,542,766.02x = 46,007,768,427,081,320 - Step 5: Solve for x
x = 46,007,768,427,081,320/315,542,766.02 - Step 6: Final answer
x = 145,805,175.66
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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.