Finding the Fourth Proportional to 178,767,609.30, 268,151,413.95 and 97,138,271.70
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Solution
The fourth proportional to 178,767,609.30, 268,151,413.95 and 97,138,271.70 is: 145,707,407.55
Step by Step Solution
- Step 1: Write the proportion equation
178,767,609.30 : 268,151,413.95 = 97,138,271.70 : x - Step 2: Convert to fraction form
178,767,609.30/268,151,413.95 = 97,138,271.70/x - Step 3: Cross multiply
178,767,609.30x = 268,151,413.95 × 97,138,271.70 - Step 4: Simplify right side
178,767,609.30x = 26,047,764,905,014,268 - Step 5: Solve for x
x = 26,047,764,905,014,268/178,767,609.30 - Step 6: Final answer
x = 145,707,407.55
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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.