Finding the Fourth Proportional to 70,110,532.20, 105,165,798.30 and 24,671,965.80
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Solution
The fourth proportional to 70,110,532.20, 105,165,798.30 and 24,671,965.80 is: 37,007,948.70
Step by Step Solution
- Step 1: Write the proportion equation
70,110,532.20 : 105,165,798.30 = 24,671,965.80 : x - Step 2: Convert to fraction form
70,110,532.20/105,165,798.30 = 24,671,965.80/x - Step 3: Cross multiply
70,110,532.20x = 105,165,798.30 × 24,671,965.80 - Step 4: Simplify right side
70,110,532.20x = 2,594,646,978,987,298 - Step 5: Solve for x
x = 2,594,646,978,987,298/70,110,532.20 - Step 6: Final answer
x = 37,007,948.70
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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.