Finding the Fourth Proportional to 136,942,432.90, 205,413,636.86 and 60,265,461.08
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Solution
The fourth proportional to 136,942,432.90, 205,413,636.86 and 60,265,461.08 is: 90,398,186.12
Step by Step Solution
- Step 1: Write the proportion equation
136,942,432.90 : 205,413,636.86 = 60,265,461.08 : x - Step 2: Convert to fraction form
136,942,432.90/205,413,636.86 = 60,265,461.08/x - Step 3: Cross multiply
136,942,432.90x = 205,413,636.86 × 60,265,461.08 - Step 4: Simplify right side
136,942,432.90x = 12,379,347,537,487,584 - Step 5: Solve for x
x = 12,379,347,537,487,584/136,942,432.90 - Step 6: Final answer
x = 90,398,186.12
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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.