Finding the Fourth Proportional to 48,930,095.40, 73,451,130.30 and 28,746,709.80
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Solution
The fourth proportional to 48,930,095.40, 73,451,130.30 and 28,746,709.80 is: 43,152,957.50
Step by Step Solution
- Step 1: Write the proportion equation
48,930,095.40 : 73,451,130.30 = 28,746,709.80 : x - Step 2: Convert to fraction form
48,930,095.40/73,451,130.30 = 28,746,709.80/x - Step 3: Cross multiply
48,930,095.40x = 73,451,130.30 × 28,746,709.80 - Step 4: Simplify right side
48,930,095.40x = 2,111,478,327,216,087 - Step 5: Solve for x
x = 2,111,478,327,216,087/48,930,095.40 - Step 6: Final answer
x = 43,152,957.50
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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.