Finding the Fourth Proportional to 99,358,528.18, 149,029,254.47 and 60,486,890.98
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Solution
The fourth proportional to 99,358,528.18, 149,029,254.47 and 60,486,890.98 is: 90,725,138.88
Step by Step Solution
- Step 1: Write the proportion equation
99,358,528.18 : 149,029,254.47 = 60,486,890.98 : x - Step 2: Convert to fraction form
99,358,528.18/149,029,254.47 = 60,486,890.98/x - Step 3: Cross multiply
99,358,528.18x = 149,029,254.47 × 60,486,890.98 - Step 4: Simplify right side
99,358,528.18x = 9,014,316,267,957,568 - Step 5: Solve for x
x = 9,014,316,267,957,568/99,358,528.18 - Step 6: Final answer
x = 90,725,138.88
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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.