Finding the Fourth Proportional to 48,386,987.20, 72,586,701.60 and 24,138,308.80
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Solution
The fourth proportional to 48,386,987.20, 72,586,701.60 and 24,138,308.80 is: 36,210,566.51
Step by Step Solution
- Step 1: Write the proportion equation
48,386,987.20 : 72,586,701.60 = 24,138,308.80 : x - Step 2: Convert to fraction form
48,386,987.20/72,586,701.60 = 24,138,308.80/x - Step 3: Cross multiply
48,386,987.20x = 72,586,701.60 × 24,138,308.80 - Step 4: Simplify right side
48,386,987.20x = 1,752,120,217,994,254 - Step 5: Solve for x
x = 1,752,120,217,994,254/48,386,987.20 - Step 6: Final answer
x = 36,210,566.51
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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.