Finding the Fourth Proportional to 45,990,138.35, 63,455,479.38 and 26,142,345.99
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Solution
The fourth proportional to 45,990,138.35, 63,455,479.38 and 26,142,345.99 is: 36,070,234.98
Step by Step Solution
- Step 1: Write the proportion equation
45,990,138.35 : 63,455,479.38 = 26,142,345.99 : x - Step 2: Convert to fraction form
45,990,138.35/63,455,479.38 = 26,142,345.99/x - Step 3: Cross multiply
45,990,138.35x = 63,455,479.38 × 26,142,345.99 - Step 4: Simplify right side
45,990,138.35x = 1,658,875,096,913,270.75 - Step 5: Solve for x
x = 1,658,875,096,913,270.75/45,990,138.35 - Step 6: Final answer
x = 36,070,234.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.