Finding the Fourth Proportional to 45,465,273.93, 68,241,026.42 and 28,141,070.68
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Solution
The fourth proportional to 45,465,273.93, 68,241,026.42 and 28,141,070.68 is: 42,238,292.70
Step by Step Solution
- Step 1: Write the proportion equation
45,465,273.93 : 68,241,026.42 = 28,141,070.68 : x - Step 2: Convert to fraction form
45,465,273.93/68,241,026.42 = 28,141,070.68/x - Step 3: Cross multiply
45,465,273.93x = 68,241,026.42 × 28,141,070.68 - Step 4: Simplify right side
45,465,273.93x = 1,920,375,547,760,967.50 - Step 5: Solve for x
x = 1,920,375,547,760,967.50/45,465,273.93 - Step 6: Final answer
x = 42,238,292.70
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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.